We have given,  QP = QR and PS = SR we have to prove, QS is perpendicular bisector of PR. i.e, PO = OR and ∡POS = 90°  for this first show, ∆PQS ≌ ∆RQS  ( by S.S.S.) then, ∡PSO = ∡RSO  .....

Angel, If you would like to know more about it, please let me .....

Please send the question .....

So, Electrical energy is a form of energyresulting from the flow of electric .....

Hydrogen oxide and water are the same i.e hydrogen oxide is the other name of water. 2H2+O2→H2O+H20 The reaction though is a mistake this would be the equation for your question. (Please make a .....

Look at the following picture. You can see a flower (rose). The colour of this flower is .....

We have given, I is the unit matrix of 2 × 2 So,  I=1001 From the given condition, 3A-4I=51-20-1 From this we need to find A. or,3A-41001=51-20-1 or, 3A=5-100-5+4004 Now, Simplify and get .....

Here, given data are in ascending in order, so Larest item = L = 10x and smallest item =  S = 8 + x  As we know,  Range =  L - S or, 10 = 10x - ( 8 + x) Now simplify and get x, After that, to find coefficient, ues .....

We have given, shape of a piece of land is a parallelogram whose adjecent sides are 12m and 9m and the corresponding diagonal is 15 m. We have to find the area of the land. For this make a figure as  given below Here, BC = a = .....

Here To find the total cost we need to find the total surface area of the pole. We have given,  Radius =  r  = d / 2 = 3/ 2 = 1.5m Height of cylinder =  h =  5 m  Slant height =  l = 3.5 m So TSA = area of .....

 उद्द्योग धन्दाको विकाससँगै जनसङ्खायाको ठुलो हिस्सा कृषिबाट विमुख भयो । थोरैले काम गरेर .....

यहाँ, दिइएको छ अ.मु = Rs. 12000 छुट % = 15 % कर % = 13% हामीले निकाल्नु पर्ने, छुट पछिको मुल्य र कर रकम अब सुत्र .....

You may have learnt that cos2A can also be written as (cosA)2. In the second last line, we have  4Cos24A  We can also write the term under the root sign as (2cos4A)2, as (2cos4A)2 gives 4cos24A. To cancel the root sign, we need .....

सर्वप्रथम पक्ष र विपक्षका बारेमा आउने महत्त्वपूर्ण बुदाँहरू तयार पार्ने, बुँदालाई तार्किक र .....

धुम्रपान बिरुद नारा: निभाउ, त्यसले निभाउनु भन्दा पहिले .....

मध्यपान बिरुद्ध नारा: मध्यपान, काम .....

बेचिएका मानिस , धवस्त .....

We have given to points, ( 4 , 3 ) = ( x1 , y1 )  and ( 4, - a ) = ( x2 , y2 ) To find the slope of given line we have to use the formula, Slope = m = [y2 -y1 ] / [ x2 - x1 ] Now put x1 = 4 , .....

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नोबेल शान्ति पुरस्कार विजेता आङ सान सुकीको जन्म सन् १९४५ जुन १९ मा भएको हो । उनका बाबुको आम आङ .....

 निबन्धलाई विभिन्न अनुच्छेदमा लेख्न सकिन्छ ।  खासगरी निबन्धमा आदि, मध्य र अन्त्यको संयोजन .....

Here I collcec the terms with same base , and if base are same , we add the powers So, we get  x8 + 6 - 2 - 6    y8 + 6 - 2 - 6  × 22 - 1 = x6    y 6× 2 1 = 2 .....

To prove this, We can use the formula of tan(A+B)  and  50 + 20 =  70  Opereting both sides by tan, Tan(50 + 20) = tan70  Now use formula ,  [ tan50 + tan 20] / [ 1 - tan50.tan20] = tan (90 - 20) or, [ tan50 .....

यहाँ, दिइएको छ साधारण ब्याजदर (R1) = 3 % चक्रीय ब्याजदर (R2) = 5 % समय (T) = 3 yrs नाफा = Rs. 1082 P = सापट लिएको .....

Do you kmow about  work and energy? .....

Here we have given area of isoscale triangle and length of equal sides. i.e; A = 60 cm2  and  a =  13cm Third side b = ? We know  A = b/4 √( 4a2 - b2) or,  60 = b/4 √( 4X 602 - b2) or 240 = .....

find .....

This problem is related to exponents. I hope you know its rule. We have given, 5x + 3 = 650 - 53 - x And we need to solve for x. For this,  5x + 3 = 650 - 53 - x   or, 5x  . 53= 650 - 53 . 1 / 5x For .....

The Moon appears to follow you because it is very far away, and objects like trees and houses that you pass by are very close by comparison. As you walk or drivealong, things much closer to you, like trees and .....

During sunrise and sunset, the rays have to travel a larger part of the atmosphere because they are very close to the horizon. Therefore, light other than red is mostly scattered away. Most of the red light, which is the least .....

The Earth is a magnet that can interact with other magnets in this way, so the north end of a compassmagnet is drawn to align with the Earth's magnetic field. Because the Earth's magnetic North Pole attracts the .....

He developed his table to illustrate periodic trends in the properties of the then-known elements. Mendeleev also predicted some properties of then-unknown elements that would be expected to fill gaps in this table. Most of his .....

Let us discuss an example; You and your friend decided to take your brand new red sports car out for a tour. Your car is capable of speeds up to 220 mph. You drove 45 miles in 1.25 hours. At the end of your trip, your friend tells you that .....

This problem is related to te indices, I hope you know the rules of indices. We have to simplify  for  x3m + 5 ∸ xm -  2  X  x-2m + 7 We have the rule,    xm . xn = xm + n   .....

If you want to know more about it, please let me .....

You may have boiled an egg. If you unshell the boiled egg, you can see a thin membrane within the shell. And you can see that the inner structure of the egg is not as same as the .....

Did this answer help you? Please let us know if we could help you in any other way. Please feel free to ask if you do not .....

Shivering is the reflex process intiated by the brain in response to cold temperatures. Our body needs to maintain a constant internal temperature. This phenomenon is termed as homeostasis. As the temperature of the surrounding drops, our skin .....

You know that blood flows in the arteries and veins in our body. So, you might be confused why veins look blue under the skin when it has red blood in it. This is because of the interaction of light with the skin at different wavelengths or .....

A chameleon changes its color to adjust its body temperature to that of the outside temperature. You may know that dark colors absorb light, and therefore heat, So, a cold chameleon will turn dark to absorb more heat, while a hot chameleon will .....

When you pull on a spring, it stretches. The contracts when you release it. When you throw a ball up in the air, it falls after reaching its max height. When you stand a 2x4 on its end, it falls over after you let it go. The rock has energy as it .....

You may have learnt about the virus.  Do you remember the structure of virus? Its structure consists of head, neck (also called as collar), base plate and tail fibers. As you can see in the picture, there is the polyhedral structure .....

Let us take an example, we humans are an example of bilateral symmetry. Go ahead and take a look in the mirror and see for yourself. We could draw a line straight down the middle of your body, right through your nose, and divide you into right .....

Friction can be reduced by making the surface smooth by polishing The friction is due to the roughness of surface. If we make the surfaces smooth by polishing , then friction will be reduced. For example a slide in the park is polished to make its .....

Are you clear about the steps performed to solve .....

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