90. The measure of an inscribed angle is half of that of the measure of its arc, and the measure of the angle corresponding with arc a is 45. 45*2 is 90, so 90 is the measure of arc a.
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Formula
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Volume = Length x Width x Height
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Apply Formula
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Volume = 10 x 30 x 1/3 = 100 ft³
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Answer: 100 ft³
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The time when the two trains reach each other is 1.25 hours
The trains are 68.75 away from the city when they reach each other.
145,300 X .2 = 29,060
you multiply .2 because that is equal to 20% in decimal form, and you are finding out how much the insurance covers
therefore your answer would be 29,060 dollars