Q3 Geometry Quiz

What does “P” stand for in the formula for the area of a regular polygon?

What does “r²” mean in A = ? × r²?

What is the area of a circle if its radius is 7 meters?

What is the computed area of a semi-circle if its diameter is 18 cm?

Which is NOT needed when solving for the area of a trapezoid?

A regular pentagon has an apothem of 12 inches. Each of its side measures 15 inches. How do you solve for its area?

A trapezoid has 2 equal bases.

• TRUE

• FALSE

The area of a circle is half of the area of a semi-circle.

• TRUE

• FALSE

78.5 mm² is the area of a circular plate if its diameter is 5 mm.

• TRUE

• FALSE

If the diameter of a circle is 25 meters, then its radius is 12.5 meters.

• TRUE

• FALSE