12) A cone has a radius of 10 cm. It has a height that is twice as much as its diameter. What is the surface area of the cone? Leave you answer in terms of Pi.

21obbkvkvk

Step-by-step explanation:

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132. cm

Step-by-step explanation:

answ9x x 3=

step-by-step explanation:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.