Answer:
The answer is clearly 63cm2
Explanation:
your welcome i mean think about 9x7
31.5 cm²
Calculate area of a triangle with this formula:
Area = base * height
Substitute in known values
Area = 7 * 9
Multiply 7 by 1/2
Area = 3.5 * 9
Multiply
Area = 31.5 cm²
Hope this helps :)
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