The area of circle of diameter d is
Asked by admin @ in Math viewed by 303 People
The area of a circle of diameter d is
(a) πd2(b) 2πd2(c) 1/4 πd2(d) 2πdQuestion 2. 1 cm2 =(a) 10 mm2(b) 100 mm2(c) 1000 mm2(d) 10000 mm2Question 3. 1 m2 =(a) 10 cm2(b) 100 cm2(c) 1000 cm2(d) 10000 cm2Question 4. 1 hectare =(a) 10 m2(b) 100 m2(c) 1000 m2(d) 10000 m2Question 5. 1 are =(a) 10 m2(b) 100 m2(c) 1000 m2(d) 10000 m2Question 6. The area of a square plot is 1600 m2. The side of the plot is(a) 40 m(b) 80 m(c) 120 m(d) 160 mQuestion 7. The area of a square is 121 m2. Its side is(a) 11 m(b) 21 m(c) 31 m(d) 41 mQuestion 8. The area of a square is 625 m2. Find its side(a) 25 m(b) 50 m(c) 125 m(d) 5 mQuestion 9. The area of a rectangular field is 250 m2. If the breadth of the field is 10 m, find its length.(a) 25 m(b) 50 m(c) 100 m(d) 125 mQuestion 10. The perimeter of a rectangle is 30 m. Its length is 10 m. Its breadth is(a) 5 m(b) 10 m(c) 15 m(d) 3 m