The base and the altitude of triangle are(4x-3y) and (5x+4y) respectively.find area
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The base and the altitude of triangle are(4x-3y) and (5x+4y) respectively.find area
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Answer:
area of triangle is 1/2 base × height
so, 1/2×(4x-3y)×(5x+4y)
4x(4x-3y)-3y(5x+4y)/2
1/2 (16x^2-12xy-15xy-12y^2)
1/2(16x^2-3xy-12y^2)
(8x^2-1.5xy-6y^2)
so,the area of triangle is (8x^2-1.5xy-6y^2)