PSAT Geometry Review

What is the sum of the interior angles of a triangle?

• 180 degrees

• 360 degrees

• 270 degrees

• 90 degrees

Tags

CCSS.8.G.A.5

In a right triangle, what is the side opposite the right angle called?

• base

• adjacent

• hypotenuse

• opposite

What is the formula to calculate the area of a circle?

• A = πr^2

• A = 2πr

• A = 0.5πr^2

• A = 3r^2

Tags

CCSS.7.G.B.4

If a circle has a radius of 5 units, what is its circumference?

• 31.4159 units

• 25.1327 units

• 20 units

• 15.70795 units

Tags

CCSS.7.G.B.4

What is the Pythagorean theorem?

• c^2 = a^2 + b^2

• a^2 + b^2 = c^2

• a^2 + b^2 = d^2

• a^2 + c^2 = b^2

Tags

CCSS.8.G.B.8

How many degrees are in a full circle?

• 400

• 270

• 360

• 180

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What is the formula to calculate the area of a triangle?

• length * width

• (base * height) / 2

• side * side

• base * height

Tags

CCSS.6.G.A.1

What is the relationship between the radius and diameter of a circle?

• The diameter is always smaller than the radius.

• The radius is equal to 3 times the diameter.

• The diameter is half the radius.

• The diameter is equal to 2 times the radius.

Tags

CCSS.7.G.B.4

What is the formula to calculate the perimeter of a triangle?

• Perimeter = side1 / side2 / side3

• Perimeter = side1 + side2 + side3

• Perimeter = side1 - side2 - side3

• Perimeter = side1 * side2 * side3

Tags

CCSS.3.MD.D.8

If a circle has a diameter of 10 units, what is its radius?

• 5 units

• 12 units

• 3 units

• 8 units

Tags

CCSS.7.G.B.4