find height of triangle whose area in
21x²square units and base is 7x units
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Step-by-step explanation:
Area = 21x²
base = 7x
height = ?
area of the triangle = 1/2×base×height
21x² = 1/2× 7x ×height
21×2 = 7x×height
42x² = 7x×height
42x²/7x = height
6x = height
Hence,
height = 6x
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