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motikmotik
4 years ago
10

A triangular park ABC has sides 120m, 80m and 50m (see Fig. 12.7). A

Mathematics
1 answer:
SCORPION-xisa [38]4 years ago
8 0

The fence would cover the perimeter of the triangle.

The perimeter is the sum of the 3 sides:

120 + 80 + 50 = 250 meters.

There will be a 3 meter space for the gate, so subtract 3:

250 - 3 = 247 meters of fence is needed.

Now multiply the amount of fences needed by the price per meter:

247 x 20 = Rs 4,490

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