Geometry Questions

Front

What is the formula to solve for y in the equation 7/y = 0.4?

Back

y = 7 / 0.4 = 17.5

Front

What is the formula to solve for x in the equation x/7 = 0.4?

Back

x = 0.4 * 7 = 2.8

Front

What does it mean for two angles to be complementary?

Back

Two angles are complementary if the sum of their measures is 90 degrees.

Front

If angle BAC is 30 degrees, what is the measure of angle ACB if they are complementary?

Back

Angle ACB = 90 - 30 = 60 degrees.

Front

What is a trigonometric ratio?

Back

A trigonometric ratio is a ratio of the lengths of two sides of a right triangle.

Front

What are the three primary trigonometric ratios?

Back

Sine (sin), Cosine (cos), and Tangent (tan).

Front

How do you calculate the sine of an angle in a right triangle?

Back

Sine = Opposite side / Hypotenuse.

Front

How do you calculate the cosine of an angle in a right triangle?

Back

Cosine = Adjacent side / Hypotenuse.

Front

How do you calculate the tangent of an angle in a right triangle?

Back

Tangent = Opposite side / Adjacent side.

Front

What is the Pythagorean theorem?

Back

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