Math Review - Geometry

Question 1

The length of each side of a triangle must be?

Answer 1

Less than the sum of the lengths of the other two sides

Question 2

Circumference of a circle

Answer 2

The distance around a circle is a called the circumference

= πd

Question 3

Congruent circles

Answer 3

Two circles with equal radii

Question 4

Formula for surface area of a cylinder

Answer 4

A = 2(πr²) + 2πrh

The sum of the areas of the two bases and lateral area

Question 5

If one side of an inscribed triangle is a diameter of the circle, then the triangle is a _________?

Answer 5

Right triangle

Question 5

Formula for volume of a rectangle

Answer 5

V = lwh

Question 6

Area of a trapezoid

Answer 6

A = 1/2(b₁ + b₂)(h)

Question 7

If an inscribed triangle is a right triangle, then one of its sides is __________?

Answer 7

A diameter of the circle

Question 8

Area of a circle =

Answer 8

πr²

Question 10

Area of a triangle

Answer 10

1/2 x b x h

Question 11

Length of an arc of a circle

Answer 11

The ratio of the length of an arc to the circumference is equal to the ratio of the degree measure of the arc to 360⁰

Question 12

Formula for volume of a cylinder

Answer 12

V = πr²h

Product of the height and the area of the base

Question 13

Formula for surface area of a rectangle

Answer 13

Sum of the areas of the six faces,

A = 2(lw + lh + wh)

Question 14

Opposite angles have ______ measures

Answer 14

Opposite angles have equal measures

Angeles that have equal measures are called congruent angeles.

Question 15

The measure of the interior angeles of a triangle add up to?

Answer 15

180⁰

Question 16

Pythagorean theorem

Answer 16

In a right triangle, the square of the length of the hypotenuse is equal to the sum of the sqaures of the lengths of the legs.

a² + b² = c²