Twenty more than twice a number of x
1 answer:
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Answer:
Step-by-step explanation:
Cosine is the ratio of the side adjacent to the angle and the right triangle hypotenuse.
B =
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<h3><u>To find value of x</u></h3>
<u>Formula applied:</u>
Exterior angle=Sum of interior angles
Answer:
- x=66⁰+45⁰
- x=<u>1</u><u>1</u><u>1</u><u>⁰</u><u>✔</u>
<u>Formula applied:</u>
Exterior angle=Sum of interior angles
Answer:
- 119⁰=43⁰+z⁰
- 119⁰-43⁰=z⁰
- z⁰=<u>76</u><u>⁰</u><u>✔</u>
- ∠1+66⁰=180⁰(L.P)
- ∠1=180⁰-66⁰
- ∠1=114⁰
<u>Formula</u><u> </u><u>used:</u>
Sum of angles of a triangle =180⁰
Answer:
- ∠ 1+30⁰+y⁰=180⁰
- 114⁰+30⁰+y⁰=180⁰
- y⁰=180⁰-144⁰
- y⁰=<u>36⁰</u><u>✔</u>