Question

Help me and explain / gimme answers to number one

Answer 1

Formula = b*h / 2

base = 15 + 6 =21
height = 8

21 * 8 = 168

168/2 = 84

The area is 84 in.

Hope this helped☺☺

Answer 2

Area of triangle = 1/2 x base x height

base = 15 + 6 = 21
height = 8

Area of triangle = 1/2 x 21 x 8 = 84 in²

--------------------------------------------------------------------
Answer: Area = 84 in²
--------------------------------------------------------------------