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swat32
3 years ago
11

Use the area of the rectangle to find the area of the triangle.

Mathematics
1 answer:
Vesna [10]3 years ago
5 0

Answer:

21

Step-by-step explanation:

the formula for a triangle is A=1/2bh

so u multiply the base times the height then get 42. if u multiply anything by 1/2 or .5 its the same thing as dividing. so you divide 42 by 2 and get 21.

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