Answer:
Step-by-step explanation:
The exterior angle is 151 degrees. The theorem states that the sum of its 2 remote interior angles, 5x+3 and 9x-20, will add up to this exterior angle. Therefore,
5x+3+9x-20 = 151 and
14x - 17 = 151 and
14x = 151 + 17
14x = 168 so
x = 12
If you want to find out the measure of each of these angles, just plug in 12 for x and do the math:
5(12) + 3 = 63 and
9(12) - 20 = 88 and
88 + 63 = 151 as it should.
Answer:
A. is the answer because 1600 meters is a full mile, therefore 800 would have to be half of it
Answer:
Area of semicircle is
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Answer:
C) 
Step-by-step explanation:
Remember to use the change of base formula, which states that 
so that everything has the same base of 10
