Find the base of a Triangle whose altitude is 12cm and area 96cm
2.
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Step-by-step explanation:
16 cm is the right answer
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Answer:
1) given : altitude = 12 cm area = 96 cm base = x cm
area of triangle = 1/2 * base * height
96 cm = 1/2 * x * 12
12x/2 = 96
12x= 96*2
12x = 192
x= 192/12 = 16 cm hence base = 16cm
2) sum of angles = 180
75+50+x= 180
125+x= 180
x= 180-125
x= 55
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