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polet [3.4K]
3 years ago
9

Help for Geometry #6 and 7

Mathematics
1 answer:
Arturiano [62]3 years ago
8 0
Find the area of the rectangle and the 1/2 circle, then subtract the half circle's area from the rectangle's.
Area of the rectangle is 30in.
Area of the 1/2 circle is 19.625.
Subtract
30-19.625
10.375
(Round it to 10.4 in this case)
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Land in downtown Columbia is valued at $10 a square foot. What is the value of a triangular lot with sides of lengths 119, 147,
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Answer:

$87,461

Step-by-step explanation:

Given that the dimensions or sides of lengths of the triangle are 119, 147, and 190 ft

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Using Heron's formula which gives the area in terms of the three sides of the triangle

= √s(s – a)(s – b)(s – c)

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= 87461.109071

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Hence, the value of a triangular lot with sides of lengths 119, 147, and 190 ft is $87,461.

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3 years ago
The Japanese 5 yen coin has a hole in the middle. What are the possible ways to calculate the difference between the distances f
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