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pav-90 [236]
3 years ago
5

A and B are complementary angles if angle a equals (X +24) and angle B equals (X +16) then what is the measurement of b

Mathematics
1 answer:
Hatshy [7]3 years ago
4 0

If A and B are complementary angles, then they add up to 90 degrees.

So A + B = 90 => (x + 24) + (x + 16) = 90 => 2x + 40 = 90 => 2x = 50.

So x = 25, and thus, the measurement of B is (25 + 16) = 41.

The measurement of angle A is (25 + 24) = 49, and indeed they are complementary.

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Answer:

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Step-by-step explanation:

Given:A spinner for a board game consists of a cardboard circle with two plastic arrows anchored to its center. The arrows are congruent isosceles triangles connected at their bases.

also,  Given: The base of each triangle measures 2 centimeters and the perimeter of each triangle is 10 centimeters.

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Since given the triangle to be isosceles .

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Now we find the area of  isosceles triangle.

We first find the height, using Pythagoras theorem,

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(4)^2=(AD)^2+(1)^2

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area of one isosceles triangle  A=\frac{1}{2} \times 2 \times 3.87

On solving we get,

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Thus, the approximate total area of the plastic triangles on the spinner is 2 × 3.9 square centimeters = 7.7 square centimeters

Option (c) is correct.




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3 years ago
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