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.

Tags

CCSS.6.G.A.1

Front

What is an isosceles triangle?

Back

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

Tags

CCSS.4.G.A.2

Front

What is the formula for the area of a rectangle?

Back

Area = length * width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

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.

Tags

CCSS.8.G.A.2

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.

Tags

CCSS.6.G.A.1

Front

What is the sum of angles in a triangle?

Back

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

Tags

CCSS.8.G.A.5

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.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3