Question

15. In A ABC, right angle is at B, AB = 5 cm and ZACB = 30°. Determine the
lengths of the sides BC and AC.​

Answer 1

Answer:

tan30∘=BCAB⇒BC=tan30∘AB

BC=53

AC2=AB2+BC2

AC2=52+(53)2

AC2=25+75

AC=10

Hence sides are 5,53,10cm