Geometry Challenge for Grade 9

Front

The sum of the interior angles of a triangle is ___ degrees.

Back

180

Front

What is the formula for the area of a circle?

Back

πr^2

Front

A line that intersects a circle at exactly one point is called a ___ line.

Back

tangent

Front

Which of the following is a property of a parallelogram? A) All angles are right angles B) Opposite sides are equal C) All sides are equal D) Diagonals are perpendicular

Back

Opposite sides are equal

Front

The distance around a circle is known as its ___.

Back

circumference

Front

Volume of a cylinder with radius 3 cm and height 5 cm?

Back

45π cm³

Front

A polygon with eight sides is called an ___.

Back

octagon

Front

Which theorem is used to find the length of the sides of a right triangle?

Back

Pythagorean Theorem

Front

The point where two lines intersect is called the ___ point.

Back

intersection

Front

In a right triangle, the side opposite the right angle is called the ___.

Back

hypotenuse