Geometry and Functions Assessment

The video covers various mathematical concepts, including calculating the area and circumference of circles, analyzing stock value changes, proving geometric congruence, matching polygon properties, analyzing graphs, understanding angle relationships, and calculating cube volume.

What is the formula for the circumference of a circle?

• C = 2r

• C = πd

• C = 2πr

• C = πr²

If a circle has a radius of 14 units, what is its area in terms of π?

• 28π square units

• 14π square units

• 392π square units

• 196π square units

How do you calculate the area of a circle if the diameter is given?

• Use the formula πd

• Use the formula 2πr

• Use the formula πr²

• Use the formula πd²

What is the circumference of a circle with a diameter of 10 units?

• 15π units

• 5π units

• 20π units

• 10π units

If a circle's circumference is 100π units, what is its radius?

• 50 units

• 100 units

• 25 units

• 75 units

How can you express the area of a circle in terms of its circumference C?

• C²/4π

• C/2π

• C²/2π

• C/π

What was the annual multiplier for a stock that increased from $20 to $50 over 10 years?

• 1.25

• 2.5

• 1.5

• 1.096

What is the annual percent increase if the multiplier is 1.096?

• 9.6%

• 10%

• 8.6%

• 11%

Which property is used to prove that two triangles are congruent if they have a hypotenuse and a leg equal?

• Side-Side-Side

• Hypotenuse-Leg

• Angle-Side-Angle

• Side-Angle-Side

What is the central angle of a regular decagon?

• 36 degrees

• 45 degrees

• 72 degrees

• 60 degrees