They are equivalent.
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To compare 80 cm and 8 m, we need to convert them to the same unit. Since 1 m is equal to 100 cm, 8 m is equal to 800 cm. Therefore, 80 cm is less than 800 cm, making 80 cm less than 8 m.
1 m = 100 cm so 8 m = 800 cm. Simple!
Perimeter: 8+15+17 = 40 cm Area: 0.5*8*15 = 60 square cm
The area of a square is calculated by squaring the length of one of its sides. In this case, the side length is 8 cm, so the area would be 8 cm x 8 cm = 64 square cm.
Take the circumference (8 cm) times turns of wire (8) equals 64 cm