1. Find the area and the perimeter of the following figures. ∆ h=7cm , b=22cm
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area = 1/2 x b x h = 77cm²
you have to give third side for perimeter
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Answer:
perimeter of triangle is 38.97 cm
area of triangle is 77 cm^2
Step-by-step explanation:
(121-49)^1/2=8.485 cm
8.485×2+22=38.97 cm
area=1/2 ×22×7=77 cm^2
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