math problems involving pi

What is the volume of the figure shown? [Use π = 3.14] (Volume = πr 2 h) => 34.45 cm 3 or 34.54 m 2 or 345.4 m 3 or 34.54 cm 3..

The circumference of a circle is 20 π cm. Find its radius. => 13 cm or 10 cm or 15 cm or 18 cm..

Find the circumference of the circle with diameter 13 mm. [Use π = 3.14] => 81.64 mm or 121.32 mm or 20.41 mm or 40.82 mm..

Find the volume of the figure. [Use π = 3.14] => 326.12 ft 3 or 104.6 ft 3 or 2,617.3 ft 3 or 653.12 ft 3..

Name the subset(s) of the real numbers to which " π " belongs. => integers, Rational numbers, Real numbers or whole numbers, integers, rational numbers, real numbers or natural numbers, whole numbers, integers, rational numbers, real numbers or irrational numbers, real numbers..

Find the volume of the figure. [Use π = 3.14] => 104.6 ft 3 or 653.12 ft 3 or 2,617.3 ft 3 or 326.12 ft 3..

Which of the following functions has the period 4 π ? => y = cos 8 x or y = 4 sin 1 / 2 x or y = cos 4 x or y = 5 sin x..

Circumference of the circle is 48 m. What is the radius of the resultant circle, if the circumference decreases by half? [Use π = 3.] => 6 m or 5 m or 3 m or 4 m..

Find the circumference of a basketball hoop if it has a diameter of 26 cm. [Use π = 3.14.] => 81.64 cm or 29.14 cm or 163.28 cm or 8.28 cm..

Find the circumference of a circle whose radius is 33 cm. [Use π = 3.14.] => 103.62 cm or 414.48 cm or 217.24 cm or 207.24 cm..