Lesson 66

Labelling

Complete the proportion.

Drag labels to their correct position on the image

AB

EB

BC

EF

Poll

Reset your calculator.

2nd + --> 7 --> 1 --> 2

• I have reset my calculator

• I have questions

Multiple Choice

Are the two expressions equal or supplementary?

• Equal

• Supplementary

Math Response

Since the expressions are equal, open your Numeric Solver and put one expression in the top box and the other in the bottom box.

What is the value of "x"?

(Just type the number)

Type answer here

Correct Answer: 7

Deg^°

Rad

Hotspot

What other two angles are equal to 2x+63 and -x+84

Hotspot

Identify the supplementary angles of the two expressions.

Math Response

What are the angle measure of the supplementary angles?

Type answer here

Correct Answer: 103

Deg^°

Rad

Math Response

What are the angle measure of angle 7?

Type answer here

Correct Answer: 77

Deg^°

Rad

Multiple Choice

Are the two expressions equal or supplementary?

• Equal

• Supplementary

Math Response

Since the expressions are equal, open your Numeric Solver and put one expression in the top box and the other in the bottom box.

What is the value of "x"?

(Just type the number)

Type answer here

Correct Answer: 12

Deg^°

Rad

Math Response

Find the angle measure of -4x+151 and -9x+211

Type answer here

Correct Answer: 103

Deg^°

Rad

Hotspot

Identify the two angles that are equal to -4x+151 and -9x+211

Hotspot

Identify the supplementary angle measures to -4x+151 and -9x+211

Math Response

What is the measure of the supplementary angles?

Type answer here

Correct Answer: 77

Deg^°

Rad

Multiple Choice

Are the angles represented by the expressions equal or supplementary?

• Equal

• Supplementary

Math Response

Since the expressions are equal, open your Numeric Solver and put one expression in the top box and the other in the bottom box.

What is the value of "x"?

(Just type the number)

Type answer here

Correct Answer: 20

Deg^°

Rad

Math Response

What is the measure of the angles represented by the expressions?

Type answer here

Correct Answer: 105

Deg^°

Rad

Hotspot

Which angles are equal to the two angles represented by the expression?

Hotspot

Which angles are supplementary to angle 6?

Math Response

What is the angle measure of angle 4?

Type answer here

Correct Answer: 75

Deg^°

Rad