REVIEWER IN RMA Part 1

How many equal sides does a regular heptagon have?

• 6

• 7

• 8

• 10

Which of the following steps is correct when drawing a regular polygon using a protractor and a ruler?

• Draw sides of different lengths and connect them.

• Use a compass to draw circles instead of a protractor.

• Draw random angles at each vertex without measuring.

• Measure and draw sides of equal length, using a protractor to draw equal angles at each vertex.

Two angles form a linear pair. If one angle measures 65°, what is the measure of the other angle?

• 15°

• 120°

• 115°

• 25°

If ∠A and ∠B are vertical angles, which of the following statements is true?

• ∠A and ∠B are adjacent angles.

• ∠A and ∠B are congruent angles.

• ∠A and ∠B are supplementary angles.

• ∠A and ∠B are complementary angles.

Which of the following polygons is non-convex? Use the figures provided to identify the answer.

• A

• B

• C

• D

What is the sum of the exterior angle and the adjacent interior angle of any polygon?

• 90°

• 120°

• 180°

• 360°

An architect designs a fountain in the shape of a regular polygon with each exterior angle measuring 30°. What polygon did the architect use?

• hexagon

• nonagon

• decagon

• dodecagon

Given triangle PQR, if m∠P = 42° and m∠R = 60°, then what is m∠Q?

• 78°

• 90°

• 180°

• 258°

A blouse, originally priced at ₱500.00, is now on sale for ₱450.00. What is the percentage decrease in the price of the blouse?

• 10%

• 15%

• 20%

• 25%

The enrollment at Matatag National High School increased by 5% for the school year 2025–2026. If there were 3,020 enrollees last year, how many are enrolled this year?

• 3,025

• 3,150

• 3,171

• 3,185