PARCC Practice HS Geometry

Front

What does the symbol 'x' represent in mathematics?

Back

Unknown number

Front

When should we use a fraction bar?

Back

To show a fraction

Front

How can you find the height of a tree using a mirror?

Back

By standing at a distance where you can see the top of the tree in the mirror, you can use similar triangles to calculate the height.

Front

What does ASA stand for in triangle congruence?

Back

Angle-Side-Angle, a criterion for triangle congruence.

Front

What is the primary use of a protractor?

Back

To measure angles.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What does it mean for two triangles to be congruent?

Back

They have the same size and shape.

Front

What is the difference between complementary and supplementary angles?

Back

Complementary angles sum to 90 degrees; supplementary angles sum to 180 degrees.

Front

How do you calculate the circumference of a circle?

Back

Circumference = 2 * π * radius.