5. The lateral surface of a cylinder when it is unrolled will be
A rectangle
B. trapezoid
c. tangle
D all of the above
6. The solid figure that has surface area equivalent to four times the areas of circles of the same rade is
B cone
A cube
D. sphere
7. To get the lateral area of a cone, we use the formula
A. L. A. = ?
C. L. A = h
B. L. A. = ms​