An angle is 14° more than its supplementary angle. What is the measure of the angle?
(a) 83°
(b) 97°
(c) 104°
(d) 52°

Euclid’s fifth postulate is equivalent to:
(a) The Playfair’s Axiom
(b) The Pythagorean Theorem
(c) The Angle Sum Property
(d) The axiom that two distinct points determine a unique line

The lengths of the sides of a triangle are 7 cm, 8 cm, and 9 cm. The length of the altitude to the longest side is:
(a) 4√5 cm
(b) 6√5 cm
(c) (8√5)/3 cm
(d) (12√5)/3 cm

The area of an isosceles triangle is 48 cm². If the length of its unequal side is 12 cm, what is the length of one of the equal sides?
(a) 8 cm
(b) 10 cm
(c) 12 cm
(d) 14 cm

The proposition that the three interior angles of any triangle sum to two right angles is an example of a:
A) Definition
B) Postulate
C) Axiom
D) Theorem

In a triangle ABC, if the exterior angle at vertex B is 110° and ∠A = 45°, what is the measure of ∠C?
(a) 55°
(b) 60°
(c) 65°
(d) 70°

If two angles are complementary, and one angle is 20° more than the other, what are the angles?
(a) 35°, 55°
(b) 40°, 50°
(c) 25°, 65°
(d) 30°, 60°

According to Euclid’s definitions, which of the following has no parts?
(a) A line
(b) A surface
(c) A point
(d) A solid

If a transversal intersects two parallel lines, then the bisectors of any pair of corresponding angles are:
(a) Perpendicular
(b) Intersecting
(c) Parallel
(d) Coincident

Two straight lines AB and CD intersect at a point O. If ∠AOC = 45°, then what is the measure of ∠BOD?
(a) 45°
(b) 55°
(c) 135°
(d) 90°

What is the area of an equilateral triangle with a side length of 4√3 cm?
(a) 12√3 cm²
(b) 16√3 cm²
(c) 9√3 cm²
(d) 24 cm²

A triangle has sides of 13 cm, 14 cm, and 15 cm. What is its area?
(a) 84 cm²
(b) 90 cm²
(c) 105 cm²
(d) 78 cm²

A solid has:
(a) 0 dimensions
(b) 1 dimension
(c) 2 dimensions
(d) 3 dimensions

Which of the following is true based on Euclid’s axioms?
(a) The whole is less than the part.
(b) The whole is equal to the part.
(c) The whole is greater than the part.
(d) None of the above.

If one angle of a triangle is equal to the sum of the other two angles, then the triangle is:
(a) An isosceles triangle
(b) An obtuse triangle
(c) An equilateral triangle
(d) A right-angled triangle