Circles, Triangles, Quadrilaterals

In a triangle, what is the sum of the interior angles?

• 100%

• 180 degrees

• it varies

• 360 degrees

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Triangle DEF has a missing angle measure. If the m∠E is 93 degrees and the m∠F is 24 degrees. What is the measure of angle D?

• 63

• 36

• 90

• 76

Name that shape.

• trapezoid
• quadrilateral
• parallelogram
• rhombus

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

what is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68mm
• 18.84mm
• 78.5mm
• none of the above

Find the area of the circle

• 21.98 units²

• 153.86 units²

• 87.82 units²

• 615.44 units²