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HG U5D6 Find the Missing Angle Oct21

Last updated about 1 year ago

18 Nsɛmmisa

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How do we use trigonometry to find the measure of an angle in a right triangle?

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Asemmisa {{asɛmmisaAhyɛnsode}}

1.

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∆ABC ~ ∆DEF, find the value of x.

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x =

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

∆ABC ~ ∆DEF, find the value of x.

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x =

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Asemmisa {{asɛmmisaAhyɛnsode}}

3.

What is the scale factor?

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The scale factor to used to dilate the red square to the brown square is .

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4.

Rory has 6 inch model car. The actual car, Rory's car is modeled after is 9 feet long. What is the scale factor of the model car to the actual car?

Scale Factor: to

Red Square in a Coordinate Plane

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5.

The area of the red red square in the coordinate plane is square units.

1

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6.

Dilate the red square by a scale factor of 3 form the origin. Draw the new shape.

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7.

After dilating the red square by a scale factor of 3, the are of the new shape is square units.

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Asemmisa {{asɛmmisaAhyɛnsode}}

8.

What is the length of line segment AC?

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AC = units

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Asemmisa {{asɛmmisaAhyɛnsode}}

9.

What is the value of c?

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c =

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10.

What is the value of a and c?

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a =

c =

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11.

What is the altitude, h, of the plane?

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h = meters

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Asemmisa {{asɛmmisaAhyɛnsode}}

12.

Complete each statement with the equivalent fraction.

hint: Find the missing sides first. Round to the nearest tenth.

a. cos T =

b. cos V =

c. cos Q =

d. tan S =

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Asemmisa {{asɛmmisaAhyɛnsode}}

13.

What is the area of the triangle below?

How to find a missing angle - Step-by-step

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1

Asemmisa {{asɛmmisaAhyɛnsode}}

14.

Use the figure to solve the missing angle. Round to the nearest degree.

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x = degrees

1

Asemmisa {{asɛmmisaAhyɛnsode}}

15.

Use the figure to solve the missing angle. Round to the nearest tenth of a degree.

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x = degrees

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Asemmisa {{asɛmmisaAhyɛnsode}}

16.

Use the figure to solve the missing angle. Round to the nearest tenth of a degree.

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x = degrees

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Asemmisa {{asɛmmisaAhyɛnsode}}

17.

Use the figure to solve the missing angle. Round to the nearest tenth of a degree.

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x = degrees

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Asemmisa {{asɛmmisaAhyɛnsode}}

18.

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Rounded to the nearest degree, the angle of the the fishing rod with the water is degrees.