Question

7. Calculate the diagonal of a square whose each side is 9 m.



8. How much shorter is to walk diagonally across a rectangular plot 80 m plot 80 m long and 60 m wide than along two of its adjacent sides?

9. The diagonals of a rhombus measure 12 cm and 16 cm. Find its perimeter. [Hint: Diagonals intersect each other at right angles]


10. A man goes 7 km east and then 24 km north. Find how far away is he from the initial point?


11. The square of hypotenuse is 128 cm². Find the length of the side of the square.



12. A tree is broken by the wind. If the point from where it broke is 10 m above the ground and its top touches the ground at a distance of 24 m from the foot, find the height of the tree before it broke.​

Answer 1

Q#7. 9√2

..................