If the perimeter of a square is 80 cm, its area is 80 cm2.
true
false
none of these two
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The base of a right triangle is 8 cm and its hypotenuse is 10 cm; the area of triangle is:
24 cm2
40 cm2
48 cm2
80 cm2
If the area of a trapezium is 32 cm2 and distance between its parallel sides is 8 cm; the sum of length of its parallel side is :
4 cm
16 cm
8 cm
12 cm