1) Work out 32 a) 6 b) 9 c) 32 2) What is √16? a) 8 b) 4 c) 32 3) What is √64? a) 8 b) 32 c) 6.4 4) Work out 62 a) 12 b) 36 c) 62 5) What is √25? a) 5 b) 125 c) 225 6) Work out 32 + 62 a) 18 b) 81 c) 45 7) Pythagoras theorem can be applied to any triangles a) yes, it works with isosceles, equilateral or scalene triangles b) no, it only works with right angle triangles 8) Hypotenuse is the longest side in a triangle a) true b) false 9) Which is the correct formula for the Pythagoras? a) a2 + b2 = c2 b) a2 - b2 = c2 10) Which is the correct rearranged formula, to find the shorter side? a) a = c - b b) a2 = c2 + b2 c) a = √(c2 - b2) 11) Work out the hypotenuse a) 25 b) 5 c) √5 d) √7 12) Which is the correct order to work out the answer in Pythagoras theorem? (if you don't have a scientific calculator) a) add 2 sides, then square them, then square root them b) square each side, then add them, then square root 13) What would you put first in a scientific calculator to work out the Pythagoras formula? a) square root b) squared numbers c) add the numbers 14) Work out the hypotenuse. a) 7 cm b) 13 cm c) 169 cm d) 172 cm 15) Which is the correct working for side a? a) 162 - 202 b) 202 - 162 c) 162 + 202 d) √(202 - 162)

Pythagoras (15 questions)

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