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3 years ago

I need help with help on the one with the pink circle

Mathematics

1 answer:

podryga [215]3 years ago

4 0

Answer:

15°

Step-by-step explanation:

The line in the middle of the triangle divides it into two triangles. These two triangles are equal. You can see this because the given angle (90°) is equal for both sides, and the bottom sides (23) are also equal to each other.

Since the triangles are equal, this means that the given angle of 75° also applies to the other side. The total degrees a triangle can have is 180°. Use the given angles to solve for the unknown angle.

75° + 90° + x = 180°

165° + x = 180°

x = 15°

The angle measure will be 15°.

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son4ous [18]

Answer:

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Step-by-step explanation:

Given that,

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2 years ago

Two angels of a triangle measure 65 and 75. Which is not the measure of an exterior angle of the triangle

Andre45 [30]

An exterior angle is the sum of the two other interior angles

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so 60 + 55 = 115 
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3 years ago

Consider the function f(x) = 4x² - x + 3. What is f(1)?

zhannawk [14.2K]

Replace every x you see in the function with 1 and simplify.

Let x be 1.

f(1) = 4(1)^2 -(1) + 3

f(1) = 4(1) - 1 + 3

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Done!

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2 years ago