A semi-circular protractor has a diameter of 15 cm. Calculate the perimeter of the protractor.

Give your answer to a suitable degree of accuracy.

i dont know nkw

step-by-step explanation:

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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.

answer: graph 2

step-by-step explanation: