Hon Geo 1st Sem Final Prep

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

Front

If the area of a parallelogram is 64 and the width is 8, how do you find the length?

Back

Length = Area / Width = 64 / 8 = 8.

Front

What is the formula for the area of a triangle?

Back

Area = (1/2) × base × height.

Front

If a triangle has a base of 10 cm and an area of 76 cm², how do you find the height?

Back

Height = (2 × Area) / base = (2 × 76) / 10 = 15.2 cm.

Front

What is the definition of complementary angles?

Back

Two angles are complementary if their sum is 90 degrees.

Front

What is the definition of supplementary angles?

Back

Two angles are supplementary if their sum is 180 degrees.

Front

If three times the complement of an angle is 40 more than the supplement, how do you set up the equation?

Back

Let x be the angle. Then, 3(90 - x) = (180 - x) + 40.

Front

What is the formula to find the measure of each interior angle of a regular polygon?

Back

Interior angle = [(n - 2) × 180] / n, where n is the number of sides.

Front

If each interior angle of a regular polygon is 162°, how do you find the number of sides?

Back

Set up the equation: 162 = [(n - 2) × 180] / n and solve for n.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.