Question

one side of a right angled triangle is 20cm and the di

Answer 1

Let one of the sides be x then another side is 4 + x. Applying Pythagoras theorem (20)² = (x)² + (x + 4)² 400 = x² + x² + 8x ...

Answer 2

One side of triangle is 20cm
Let other side be (x) and hypotenuse be (x + 8)

(x)^2 + (20)^2 = (x+8)^2 [Pythagoras theorem]
x^2 + 400 = x^2 + 16x + 64
16x = 336
x = 21cm

second side = x = 21 cm
Hypotenuse = x + 8 = 29 cm

Area of ∆ = 1/2 × b × h
= 1/2 × 20 × 21
= 210 cm^2

Hope this helps... plsss make it the brainliest