the base of a triangle is 5 more than the height. if the area is 322 cm². what is the length of height and base of the triangle is cm
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Answer:
Formula for the area: A = 1/2 (bh)
(bh) / 2 = 810
[b x (b-6)/2] / 2 = 810
[(b^2 - 6b) / 2 ] / 2 = 810
(b^2 - 6b) / 4 = 810
b^2 - 6b = 3240
b^2 - 6b -3240 = 0
(b - 60) (b + 54) = 0
Considering only the positive value,
b = 60 cm
To find height, we have:
h = (60 - 6) / 2
h = 54 / 2
h = 27 cm
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