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9966 [12]
3 years ago
14

Please help pleaseee

Mathematics
2 answers:
jenyasd209 [6]3 years ago
3 0
155 degrees for A and B is 125
Alchen [17]3 years ago
3 0
ANSWER: A: 155 degrees B: 125 HOPE THIS HELPS!
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Highschool level trigonometry!!! Need help knowing step by step how to find answer!
Goshia [24]

Answer:

\theta \approx 82.34^\circ

Step-by-step explanation:

Please refer to the attached diagram. (Apologies if the shading or resolution is a bit off.)

So, we want to find θ.

Since we formed a right triangle, we can use right triangle ratios.

We know the measure of the adjacent side to θ and the hypotenuse.

Therefore, we will use the cosine ratio:

\displaystyle \cos(\theta)=\frac{\text{adjacent}}{\text{hypotenuse}}

The adjacent side is 2 and the hypotenuse is 15. By substitution:

\displaystyle \cos(\theta)=\frac{2}{15}

Now, we will take the inverse cosine of both sides. So:

\displaystyle \theta=\cos^{-1}\Big(\frac{2}{15}\Big)

Use a calculator. Hence:

\theta \approx 82.34^\circ

The angle between the ground and the ladder is about 82.34°.

5 0
3 years ago
he measurements of two sides of a triangle are 4 cm and 20 cm. What could be a measurement of the third side of the triangle?
hodyreva [135]

Answer:

80

Step-by-step explanation:

every triangle adds up to 180 sort of, in this case, turn 4 into 40. 40+20=60 so add 80 to be 180!!!

4 0
2 years ago
Help in solving $0.32c=$7.36
Nikitich [7]
Divide both sides by 0.32 and you'll get the value for c
5 0
3 years ago
What is 1 and 3/10 plus 3 and 1/3
Mamont248 [21]

Answer:

4 19/30

Step-by-step explanation:

1  3/10 + 3  1/3 = 139/30 or 4.63333...

Simplyfiy  139/30  to  4 19/30

3 0
3 years ago
Bryan has a square parcel of land that is 120 yards long and 120 yards wide. The land is planted with Bermuda grass and surround
Verizon [17]
The perimeter without the diagonal is 4*120 = 480
That covers the outside of the field

The diagonal is 120 * \sqrt{2} = 169.7 yd

480 + 169.7 = 649.7 yd total of fencing
7 0
3 years ago
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