Shapes and Angles Challenge

What is the formula for the area of a parallelogram?

• Area = base × base

• Area = base + height

• Area = base × height

• Area = 2 × (base + height)

If a triangle has a base of 10 cm and a height of 5 cm, what is its area?

• 25 cm²

• 15 cm²

• 30 cm²

• 40 cm²

How do you determine if a quadrilateral is a parallelogram?

• A quadrilateral is a parallelogram if it has at least one right angle.

• A quadrilateral is a parallelogram if the sum of its interior angles is 360 degrees.

• A quadrilateral is a parallelogram if opposite sides are equal and parallel, or if the diagonals bisect each other.

• A quadrilateral is a parallelogram if all angles are equal.

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

• 180 degrees

• 120 degrees

• 360 degrees

• 90 degrees

If one angle of a triangle is 90 degrees and another is 45 degrees, what is the measure of the third angle?

• 30 degrees

• 60 degrees

• 45 degrees

• 90 degrees