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Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Angles

Grade: 8-a Lesson: S3-L7

Explanation: Hello students, we have already learned about the concept and the example. Now it’s time to discuss the problem-solving in quiz-discussion.

Quiz: Discussion in Class

Problem Id	Problem	Options
Steps 1	If three angles 2x, x, and x together form a straight angle, find the angles.	A) \$45°, 45°, 30°\$ B) \$90°, 45°, 45°\$ C) \$45°, 45°, 70°\$ D) \$45°, 35°, 30°\$
Steps 2	The ratio of two sides of a parallelogram is 5 : 6. If its perimeter is 44 cm, find the lengths of its sides.	A) \$10 cm , 8 cm \$ B) \$10 cm , 12 cm\$ C) \$7 cm ,12 cm\$ D) \$10 cm ,11 cm\$
Steps 3	Find the value of y in (3y + 21)° and (6y – 12)°, which create a linear pair.	A) \$19°\$ B) \$18°\$ C) \$13°\$ D) \$10°\$
Steps 4	If angles of measures (2x — 1)° and (x + 4)° are a pair of supplementary angles. Find the measures.	A)\$117°, 63°\$ B) \$30°, 45°\$ C) \$35°, 55°\$ D) \$40°, 55°\$
Steps 5	Find the measures of two supplementary angles. The larger angle is 3 times the measure of the smaller angle. What are the measures of both angles?	A) \$130° , 145°\$ B) \$30° , 25°\$ C) \$100° , 96°\$ D) \$45° , 135°\$

Problem Id

Problem

Options

Steps 1

If three angles 2x, x, and x together form a straight angle, find the angles.

A) \$45°, 45°, 30°\$

B) \$90°, 45°, 45°\$

C) \$45°, 45°, 70°\$

D) \$45°, 35°, 30°\$

Steps 2

The ratio of two sides of a parallelogram is 5 : 6. If its perimeter is 44 cm, find the lengths of its sides.

A) \$10 cm , 8 cm \$