Area formula: A = bh/2
We have a height of 6, a base of y, and a area of 21.
Fill in and solve:
21 = y * 6 / 2
21 = 6y/2
21 = 3y
7 = y
Therefore, the base is 7
Best of Luck!
Answer:
7 cm
Explanation:
The area of a right triangle is given by
A = 1/2 bh
21 = 1/2 y* 6
Divide each side by 3
21/3 = 3y/3
The base is 7 cm
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