(2) Answers
The aria of your triangle is (7*9)/2 = 31.5;
The formula is A = 1/2bh So, plug in A = 1/2 7(9) A = 1/2(63) A = 31.5
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The aria of your triangle is (7*9)/2 = 31.5;
The formula is A = 1/2bh So, plug in A = 1/2 7(9) A = 1/2(63) A = 31.5