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The area of a triangular-shaped rug is 21 square yards and the height is 3 yards. Find the base. a. 7 yd c. 16 yd b. 10 yd d. 14 yd

The area of a triangular-shaped rug is 21 square yards and the height is 3 yards. Find the base. a. 7 yd c. 16 yd b. 10 yd d. 14 yd
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The area of a triangular-shaped rug is 21 square yards and the height is 3 yards. Find the base. a. 7 yd c. 16 yd b. 10 yd d. 14 yd

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User Anoopknr
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9.2k points

1 Answer

2 votes
D. 14 yds

Area of a triangle = 1/2(base)(height)
21 = 1/2(b)(3)
Multiply both sides by 2
42 = 3b
Divide both sides by 3
b = 14
answered
User Nolan
by
8.4k points
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