The base and the altitude of a triangle are (3x – 4y) and (6x + 5y) respectively.

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asked May 16 in Class VIII Maths by muskan15 (-2,329 points)

The base and the altitude of a triangle are (3x – 4y) and (6x + 5y) respectively. Find its area.

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1 Answer

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answered May 16 by priya12 (-11,279 points)

Reqd. Area =   (base) x (altitude)

= ½ (3x – 4y) (6x + 5y)

= ½ (18x2 + 15xy – 24xy – 20y2)

= ½ (18x2 – 9xy – 20y2) sq. unit.

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