On reaching the other end of the circle, Ray realized that he had taken a wrong path and he had to follow another triangular path in order to reach the man. The lengths (in km) of the triangular path are as shown below. The perimeter of the triangular path is:

18cm

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15cm

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10cm

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20cm

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Solution

The correct option is A
18cm

P = a + b + c

a = 9km, b = 4km, c = 5km

P = 9 + 4 + 5 = 18km

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On reaching the other end of the circle, Ray realized that he had taken a wrong path and he had to follow another triangular path in order to reach the man. The lengths (in km) of the triangular path are as shown below. The perimeter of the triangular path is:

The correct option is A 18cmP = a + b + c a = 9km, b = 4km, c = 5km P = 9 + 4 + 5 = 18km

The correct option is A
18cm

P = a + b + c

a = 9km, b = 4km, c = 5km

P = 9 + 4 + 5 = 18km