7th Grade Area Flashcard Corrections

Front

What is the radius of a circle?

Back

The radius is the distance from the center of the circle to any point on its circumference.

Front

How do you calculate the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is an isosceles triangle?

Back

An isosceles triangle has at least two sides that are equal in length.

Front

What is the formula for the area of a rectangle?

Back

Area = length * width.

Front

How do you find the cost of carpeting a room?

Back

Cost = area of the room (in square feet) * cost per square foot.

Front

What is the height of a triangle?

Back

The height is the perpendicular distance from the base to the opposite vertex.

Front

What is a congruent angle?

Back

Congruent angles are angles that have the same measure.

Front

If a triangle has an area of 54 square inches and a height of 18 inches, how do you find the base?

Back

Base = 2 * Area / height.

Front

What is the sum of angles in a triangle?

Back

The sum of the interior angles in a triangle is always 180 degrees.

Front

What is the cost of carpeting a rectangular room measuring 32 feet by 24 feet at $3 per square foot?

Back

The cost is $2,304.