The area of a triangle is equal to the area of a parallelogram whose base is 15 cm and altitude is 8 cm. If the base of triangle is 20 cm, find its altitude.
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Area of triangle is 1/2 bh and parallelogram is bh
given
b=15,h=8 for parallelogram
b=20,h=? for triangle
area of triangle and parallelogram are equal
so, 1/2 x 20 x h = 15x8
10 x h =120
h= 120/10 = 12
therefore the altitude of triangle is 12cm
given
b=15,h=8 for parallelogram
b=20,h=? for triangle
area of triangle and parallelogram are equal
so, 1/2 x 20 x h = 15x8
10 x h =120
h= 120/10 = 12
therefore the altitude of triangle is 12cm
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Answer:
12cm
Step-by-step explanation:
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