ejsoccer123 ejsoccer123

15-09-2017
Mathematics

contestada

Find the area of a triangle with base of 12 and height of 5a+7b. Someone please help!!

Respuesta :

trishinada63 trishinada63

15-09-2017

The area of a triangle formula is b×h×1/2, so 12×5a+7b is 60a+84b.

Multiply that by a half.

60a+84b × 1/2

30a+42b

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