3 years ago

What is the area of a circle that has a diameter of 18"?

2 answers:

7 0

Since the formula for the area of a circle is Pi x r squared, the area would be 81 x Pi (you teacher may want you to use Pi as 3.14 or put it in your calculator).

Xelga [282]3 years ago

6 0

R=9 but the sun is 254.469

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PilotLPTM [1.2K]

just realized this is an old question

7 0

3 years ago

Find the value of y for which line a is parallel to line b.

alexdok [17]

Y+38°= 180 beacuse if a and b are parallel they are co interior angles. This means that they will at to 180.

y=180-38= 142°

Answer: 142°

Drew out some hopefully helpful pictures below. Hope they help! let me know if you still have any questions!