The two right sides of a right triangle are 3cm and 5cm respectively. If the long side of the right triangle is taken as the axis and the short side is taken as the axis, a triangle can be obtained by rotating the triangle for one circle______ They are different in volume______ Cubic centimeter

The two right sides of a right triangle are 3cm and 5cm respectively. If the long side of the right triangle is taken as the axis and the short side is taken as the axis, a triangle can be obtained by rotating the triangle for one circle______ They are different in volume______ Cubic centimeter

A cone can be obtained by rotating a triangle around the long side of a right angle and the short side of a right angle; 13 × 3.14 × 52 × 3-13 × 3.14 × 32 × 5, = 13 × (3.14 × 25 × 3-3.14 × 9 × 5), = 13 × (235.5-141.3), = 13 × 94.2, = 31.4 (cubic centimeter)