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8090 [49]
3 years ago
10

An angle measures 120 degrees. Describe how to use special right triangles and the unit circle as tools to calculate the sine an

d cosine of this angle.
Mathematics
1 answer:
nalin [4]3 years ago
8 0

Answer:

120 degrees is the right angle and the 30 degree added which is 1/3 here we know as we can always divide a side measure by 90 then multiply by a second angle to find the hypotenuse. When we do this we are using a three way system just like a three way system appears when we use a right angle triangle and read the functions.

Step-by-step explanation:

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pishuonlain [190]

subtract 9 from 118 then subtract 84.25 from that amount then add 95.

6 0
3 years ago
Angie wants to buy Christmas presents for all 7 of
stepan [7]

Answer:

$33.25

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8 0
3 years ago
Which is the most accurate way to estimate 49% of 49
Svetlanka [38]

Answer:

49% of 49 is 24.01

Step-by-step explanation:

3 0
4 years ago
For the diagram below, if < 4 = 4x - 2, and < 6 = 2x + 14, what is the value of x?
RUDIKE [14]

Applying the alternate interior angles theorem, the value of x is: D. 8.

<h3>What is the Alternate Interior Angles Theorem?</h3>

The alternate interior angles theorem states that interior angles that are alternate to each other along a transversal have equal measurement.

∠4 and ∠6 are alternate interior angles, therefore:

m∠4 = m∠6

Substitute

4x - 2 = 2x + 14

4x - 2x = 2 + 14

2x = 16

x = 16/2

x = 8 (option D).

Learn more about the alternate interior angles theorem on:

brainly.com/question/24839702

#SPJ1

3 0
2 years ago
Prove the following theorem indirectly. We will give you a start.. . Prove that a triangle cannot have two right angles.. A tria
ladessa [460]
<span>Suppose a triangle had two right angles.
The sum of all angles of any triangle is 180</span>°.
The measure of a right angle is 90°.
By difference, the measure of the other angle can be determined.
Since the two angles have a measure of 90° each, then by difference, the measure of the third angle is 180° - (90° + 90°) = 0°.
If the angle is 0°, there would only be two sides.
A triangle has three sides.
Therefore, a triangle can't have two right angles.
7 0
3 years ago
Read 2 more answers
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