# 42) The diameter of a circular playground is 63 m. Find the cost of threelayered wire fencing around the ground at the

42) The diameter of a circular playground is 63 m. Find the cost of three

layered wire fencing around the ground at the rate of 65 per metre.

1) 34,720 2) 35,720 3) 37,610 4) 38,610

43) The measures of the angles of a triangle are 3×0

, 4×0

, 2×0

. Find the set of

measures of the angles of the triangle.

1) 400

, 600

, 800 2) 450

, 600

, 300

3) 540

, 900

, 360 4) 200

, 600

, 1000

44) The hypotenuse of a right angled triangle is of 37 cm and one of the

sides of the right angle is 12 cm. Find the area of that triangle.

1) 210 cm2 2) 222 cm2

3) 444 cm2 4) 420 cm2​

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