6 Answered Questions for the topic Pythagoras

03/09/19

Pythagoras - time/speed/distance

In a game of tennis, a ball leaves a racket in a horizontal direction from a height of 0.39 m above the ground. The speed of the ball is 35 ms-1. The ball takes 0.28 seconds to reach the ground... more

04/20/18

Two circles of radii 10 cm and 15 cm respectively are placed inside a square. Find the perimeter of the square to the nearest centimetre

This questions uses Pythagoras theorem and ask about 2 circles in a square and how that will help us find the values of the sides of the square   

05/31/16

the length of a rectangle is 3 ft less than twice it's width.what are the dimensions of this rectangle if it's perimeter is 45ft?

the length of a rectangle is 3 ft less than twice it's width.what are the dimensions of this rectangle if it's perimeter is 45ft?  

02/14/16

Equilateral triangle with perpendicular height h

I don't know how to go about this question : An Equilateral triangle has perpendicular height h. A) find the length of each side, in terms of h B) without using your calculator, show that the area... more

09/09/14

What is the angle between any two faces on a tetrahedron?

A tetrahedron has edges of 5cm each. What is the angle between any two faces?    Please explain how to answer this question. Thanks :)

09/09/14

How to find the height of a tetrahedron?

A regular tetrahedron has edges of 5cm each. How high is it?   Please explain how to find the answer to this question. Thanks :)

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