4.7CD Measure and Draw Angles

Dropdown

I can measure an angle with a tool known as

Select answer

Hotspot

Who is correct about the angle measure?

Click on the correct person/box.

Multiple Choice

Which answer best describes one way to find the angle shown?

• 150° - 30° = 20°

• 135° - 30° = 105°

• 45° - 30° = 15°

• 135° - 45° = 90°

Drag and Drop

We saw 135° - 30° = 105° on the outer scale is one way to solve the problem. What other measurements could we use to solve it on the inner scale?



​

Placeholder

— ​

Placeholder

= 105°

Drag these tiles and drop them in the correct blank above

150°

45°

55°

160°

35°

145°

Multiple Choice

What is the measure of angle VTS?

• 130 degrees

• 90 degrees

• 50 degrees

• 55 degrees

Multiple Choice

What is the measure of angle RST to the nearest degree?

• 40°

• 50°

• 130°

• 80°

Multiple Choice

Angle Q is shown on the protractor. What is the measure of angle Q to the nearest degree and why?

• 70°, because 50° plus 20° equals 70°

• 150°, because 130° plus 20° equals 150°

• 30°, because 50° minus 20° equals 30°

• 110°, because 160° minus 50° equals 110°

Multiple Choice

Measure the given angle to the nearest degree.

• 63°, because 123° — 60° equals 63°

• 117°, because 180° — 63° equals 117°

• 63°, because 180° — 117° equals 63°

• 117°, because 117° — 0° equals 117°

Multiple Choice

Measure the given angle to the nearest degree

• 131°, because 180° — 49° equals 131°

• 51°, because 51° — 0° equals 51°

• 49°, because 49° — 0° equals 49°

• 129°, because 180° — 51° equals 129°

Multiple Choice

What is the measure of angle E shown on the protractor?

• 30°, because 110° — 80° equals 30°

• 30°, because 70° — 100° equals 30°

• 40°, because 110° — 70° equals 40°

• 10°, because 110° — 100° equals 10°

Multiple Choice

What is the measure of the angle on the protractor?

• 35°, because 75° — 40° equals 35°

• 25°, because 65° — 40° equals 25°

• 35°, because 140° — 115° equals 35°

• 25°, because 140° — 125° equals 25°

Completing Angles

Given an angle measurement and one ray set on the protractor you will need to identify which other number on the protractor the second ray will need to pass through to complete the angle.

It could be inner or outer scale, and you may need to look on both sides of the ray that is already set

Hotspot

Which other point could best be used to complete an angle that measures 82°?

Choose ONE.

Hotspot

Ray TU has been drawn on the protractor, as shown. To construct an angle that has a measure of 85°, another ray can be drawn that starts at point T and passes through which other point?

Hotspot

Frank is using a protractor to construct an angle that measures 65°. First he draws ray PQ, as shown.

To complete the 65° angle, Frank should draw another ray that starts at point P and passes through which other point?

Multiple Choice

To construct an angle that has a measure of 55 degrees, another ray can be drawn that starts at point N and passes through--

• Point O

• Point P

• Point R

• Point Q

Multiple Choice

• Point O

• Point S

• Point A

• Point D

Multiple Choice

• Point S

• Point R

• Point T

• Point E

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