Missing Angles
Classifying Triangles and Quadrilaterals
Area
Square Roots
Circumference/Area
100

Two angles in a triangle are 30 degrees and 75 degrees. Find the missing angle. 

75 degrees

100

What type of triangle has 3 sides that are not congruent?

Scalene

100

Find the area of the parallelogram:

base= 4in 

height = 12 in

48 square inches

100

Square root of 36

6

100

What is the formula for circumference?

pi x diameter

or 2 x pi x radius

200

Two angles in a triangle are 46 degrees and 87 degrees. Find the missing angle. 

47 degrees

200

Name the type of triangle based on it's angles:

35, 90, 55

Right

200

Find the area of the triangle:

Base: 20 cm

Height: 6 cm

60 square centimeters

200

Square root of 121

11

200

What is the formula for area of a circle?

pi x radius x radius

300

Two angles in a triangle are 57.3 degrees and 71.8 degrees. Find the missing angle. 

50.9 degrees

300

Is a square a rhombus? Always, sometimes or never?

Always

300
Find the area of a triangle:


Base: 15 in

Height: 5 in

37.5 square inches

300

Square root of 225

15

300
Find the circumference if the radius is 5

(3.14 for pi) 

31.4

400

What is each angle in an equilateral triangle?

60 degrees

400

Is a trapezoid a parallelogram? Always, sometimes or never

Never

400

Find the area of the trapezoid:

base1: 9 ft

base2: 7 ft

height: 7 ft

56 square feet

400

What whole number is the square root of 105 closest to?

10

400

Find the area if the diameter is 20 

314

500

In an isosceles triangle, one angle is 108 degrees. Find the other two angles.

36 degrees

500

What are two quadrilaterals that must always have 4 congruent sides?

Squares and rhombuses

500

The area of a trapezoid is 30 square meters. 

The height is 10m. 

One base is 4m. 

Find the other base. 

2m

500

What whole number is the square root of 1,000 closest to?

32

500

If the area of a circle is 78.5, find the radius

5