Question

in a right triangle right angled at B AC is equal to 13 cm and ab is equal to 5 cm then find sin a​

Answer 1

Answer:

AB2+ BC2=  AC2

5 square + BC2 = 13 Square

BC2 = 169 - 25

BC = 12 cm

SinA = BC/AC

SinA = 12/13

Step-by-step explanation: