1. The perimeter of a triangle is 32cm. Two sides of the triangle measure 10cm and 12cm. What is the area of the triangle?
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perimeter of a triangle=32cm
two sides of a triangle=10cm and 12cm
perimeter of a triangle=sum of all the sides
36=10+12+x
36=22+x
x=32-22
x=10cm
area of a triangle=1/2*base *height
a=1/2*10*12
a=60cm square
so area of a triangle is 60 cm square
two sides of a triangle=10cm and 12cm
perimeter of a triangle=sum of all the sides
36=10+12+x
36=22+x
x=32-22
x=10cm
area of a triangle=1/2*base *height
a=1/2*10*12
a=60cm square
so area of a triangle is 60 cm square
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