Question

find the value of the unknown right-angled triangle​

Answer 1

$\purple{ \bold{ \large{ \huge{Answer-}}}}$

$\pink{ \bold{ \large{ \huge{41}}}}$ $\pink{ \bold{ \large{ \huge{cm}}}}$

Answer 2

Solution:

Using the Pythagorean Theorem:

A^2 + B^2 = C^2

By substituting the values

20^2 + 21^2 = a^2

400 + 441 = a^2

a^2 = 841

a = √841

a = 29

Therefore, a = 29 cm

Hope this will be helpful to you