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skelet666 [1.2K]
3 years ago
5

1.25 mm, 1 mm, 0.75 mm.

Mathematics
1 answer:
kkurt [141]3 years ago
6 0
1. Yes it is a right triangle.
1.25^2 = 1^2 + 0.75^2
1.5625 = 1 + 0.5625
1.5625 = 1.5625
Both sides are equivalent therefore it is a right triangle.

2. No it is not a right triangle.
28^2 = 21^2 + 20^2
782 = 441 + 400
782 does not equal 841 therefore it is not a right triangle.
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A regular hexagon has sides 2 feet long. What is the exact area of the hexagon? What is the approximate area of the hexagon?
nexus9112 [7]

The formula for the area of a hexagon is

A=\frac{3\sqrt[]{3}}{2}s^2

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The side of our regular hexagon is 2 feet, therefore, its area is

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Step-by-step explanation:

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4 years ago
Chang has 36 coins, all dimes and half-dollars. The total value of all these coins is $12.00. How many dimes does he have?
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The first thing we must do for this case is to define variables.
 We have then:
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4 years ago
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