Question

Find BC to the nearest tenth. will give brainilist

Answer 1

BC = 20.7

Step-by-step explanation:

• Formula used: a² = b² + c² - 2bc*cos(A)

Using the formula: BC² = 15² + 13² - 2*15*13*cos(95)

BC² = 427.991

BC = √427.991

BC = 20.7 units