Question

1. Two sides of a triangle and the included angle
between them are 4 cm, 5 cm and 30' respectively.
What is the area of the triangle? (in sq cm)
(A) 10 (B) 15 (C) 5 (D) 20​

Answer 1

(1/2)absinangle

(1/2)×4×5×sin30

(1/2)×4×5×(1/2)

4/4×5

5