ejsoccer123
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!!

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trishinada63
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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