AnswersCR CCSS Math 2 S2 M2960OXSolving for Side Lengths of Right Triangles

Solving for Side Lengths of Right Triangles Answers

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Which equation could be used to solve for the length of XY? XY = (22)sin(41°)XY = (22)cos(41°)XY = XY =

A
XY = (22)sin(41°)
B
XY = (22)cos(41°)
C
XY =
D
XY =
114197
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The measure of angle A is 15°, and the length of side BC is 8. What are the lengths of the other two sides, rounded to the nearest tenth? AC =

Answer not available
114253

The measure of angle L is [___]°.

A
20
B
70
C
90
114254

sinecosine✔ tangent

A
sine
B
cosine
C
✔ tangent
114255

7.622.3✔ 57.7

A
7.6
B
22.3
C
✔ 57.7
114256

⇒ 55

Answer:

114256

114257

A 25-foot long ladder is propped against a wall at an angle of 18° with the wall. How high up the wall does the ladder reach? Round the answer to the nearest tenth of a foot.13.8 ft23.8 ft26.3 ft80.9 ft

A
13.8 ft
B
23.8 ft
C
26.3 ft
D
80.9 ft
114258

Question text not available

Answer not available
114259

Question text not available

Answer not available
114260

If Diana walks forward and her angle looking to the top of the building changes to 40°, how much closer is she to the building? Round the answer to the nearest tenth of a foot.

A
10.3 ft
B
17.6 ft
C
30.2 ft
D
97.2 ft
114261

The building is [___] meters high.

Answer:

55

114262

Which equation could be used to solve for the length of XY?

A
XY = (22)sin(41°)
Option A
B
XY = (22)cos(41°)
Option B
C
XY =
Option C
D
XY =
Option D
114263

A 25-foot long ladder is propped against a wall at an angle of 18° with the wall. Which diagram correctly represents this scenario?

A
[Image: A ladder is propped against a 25 foot tall wall. T...]
Option A
B
[Image: A 25 foot ladder is propped against a wall forming...]
Option B
C
[Image: A ladder is propped against a wall forming an 18 d...]
Option C
D
[Image: A 25 foot ladder is propped against a wall. The an...]
Option D
114264

A 25-foot long ladder is propped against a wall at an angle of 18° with the wall. How high up the wall does the ladder reach? Round the answer to the nearest tenth of a foot.

A
13.8 ft
B
23.8 ft
C
26.3 ft
D
80.9 ft
114265

Which error did Kevin make?

A
He has the side lengths in the wrong place in the cosine ratio.
B
He multiplied both sides by the length of XZ instead of dividing by XZ.
C
He should have used the sine ratio.
D
He should have used the tangent ratio.
114266

Which equations could be used to solve for the unknown lengths of △ABC? Check all that apply.

A
sin(45°) =
Option A
B
sin(45°) =
Option B
C
9 tan(45°) = AC
D
(AC)sin(45°) = BC
E
cos(45°) =
Option E
114267

If Diana walks forward and her angle looking to the top of the building changes to 40°, how much closer is she to the building? Round the answer to the nearest tenth of a foot.

A
10.3 ft
B
17.6 ft
C
30.2 ft
D
97.2 ft
114268

Use the diagram to complete the statements.

Answers:
The measure of angle L is °.:70
The trigonometric ratio that uses ∠M and LN to solve for NM is .:tangent
The length of NM, to the nearest tenth, is approximately .:57.7
114269

Use the diagram to complete the statements.

Answers:
The measure of angle L is °.:70
The trigonometric ratio that uses ∠M and LN to solve for NM is .:tangent
The length of NM, to the nearest tenth, is approximately .:57.7

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