Circle Geometry and Angle Measures

The video tutorial covers solving a geometry problem involving arcs and angles in a circle. The teacher explains how to label a diagram, solve for X, and calculate angles and arcs using given equations. The use of diameters to find missing values is also demonstrated, concluding with final calculations and a summary of the problem-solving process.

Which of the following is the correct expression for arc BC?

• 3x - 15

• x + 8

• 2x + 1

• 4x + 7

Tags

CCSS.7.G.B.5

What is the measure of angle ED if its expression is given as 3x - 15?

• 91°

• 48°

• 29°

• 41°

Tags

CCSS.HSG.C.A.2

If x is found to be 21, what is the measure of arc DC?

• 41°

• 29°

• 48°

• 91°

Tags

CCSS.7.G.B.5

How do you calculate the measure of angle RARB if its expression is x + 8?

• 4x + 7

• 3x - 15

• 2x - 1

• 21 + 8

Tags

CCSS.HSG.C.B.5

What is the measure of arc AB if its expression is x + 8?

• 29°

• 41°

• 91°

• 48°

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What is the sum of angles around a diameter in a circle?

• 270°

• 90°

• 360°

• 180°

Tags

CCSS.7.G.B.5

What is the measure of angle TRD if the sum of angles around the diameter is 180°?

• 19°

• 91°

• 41°

• 29°

Tags

CCSS.HSG.C.A.2

Which angle is calculated as 132° using the diameter E through R to B?

• TRE

• ED

• TRD

• BRRC

What is the measure of arc TE if it is the same as its central angle?

• 29°

• 132°

• 91°

• 48°

Tags

CCSS.HSG.C.B.5

What is the measure of arc BD if it is calculated as 91 + 41?

• 91°

• 41°

• 132°

• 180°

Tags

CCSS.HSG.C.B.5