Question

Find the area K of the triangle. a=2, b= 8, C = 20° square units K= (Round to two decimal places as needed.)

Answer 1

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B - a 2 с b = 8 ID 20 с Area of a triangle with base b and height h =bh/2 Base = b = 8 Height = f consider R triangle BDC sin 20 = f/a f=sin 20 x a =sin 20 x 2 = 0.684 Area of triangle = bh/2 = bf/2 = 8 x 0.684/2 =2.736 sqr. units Area of triangle is 2.736 sqr units