Question

2.
Solve the following examples.
(1) Find the height of an equilateral triangle having side 2a.
(2) Do sides 7 cm , 24 cm, 25 cm form a right angled triangle? Give reason.
(3) Find the length a diagonal of a rectangle having sides 11 cm and 60cm.
(4) Find the length of the hypotenuse of a right angled triangle if remaining
sides are 9 cm and 12 cm.
(5) A side of an isosceles right angled triangle is x. Find its hypotenuse.
(6) In A PQR; PQ = V8, QR = 15, PR = 73. IS A PQR a right angled triangle?
If yes, which angle is of 90°?​

Answer 1

Answer:

I can't understand question