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Q.

Find the sum of the perimeters of the figures given above.

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a

350cm

b

360cm

c

370cm

d

380cm

answer is C.

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Detailed Solution

It is given that we have to find the sum of the perimeters of the two figures.
Question Image

Question Image

We can observe that, the length of the sides of the triangle are 50cm, 60cm and 60cm.
We can also observe that the length of the sides of the rectangle are 60cm, 40cm, 60cm and 40cm.
We know that perimeter is simply the sum of sides of figure.
Perimeter for first figure(triangle) = (60+50+60)
=170cm
Perimeter for second figure(rectangle) = (60+40+60+40)
=200cm
So, the sum of perimeter =170+200
=370cm
Hence, the total perimeter is 370cm.
Hence, the correct option is 3.

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