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MsMia

Answer:

Well t find the area of a triangle, you need to multiple Base x height. That gives you 43.56. Now you divide by 2. So the end product will give you 21.78. Those same rules apply to every time you are finding the area of a triangle.

Step-by-step explanation:

Answer: A

Step-by-step explanation: 7.8 x 4.4= 34.32 x .5= 17.16 = A

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