Topic

Triangles

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Quizzes in Triangles

Can side lengths 3 cm, 4 cm, and 5 cm form a triangle?

  • Yes, they can form a triangle.
  • Yes, because any three numbers form a triangle.
  • Yes, only if all sides are equal.
  • No, because a triangle must have four sides.
Correct answer(s):
  • Yes, they can form a triangle.

Can side lengths 2 cm, 3 cm, and 6 cm form a triangle?

  • No, because every triangle must be equilateral.
  • No, they cannot form a triangle.
  • Yes, because the longest side is always allowed.
  • Yes, because any three numbers form a triangle.
Correct answer(s):
  • No, they cannot form a triangle.

Two angles of a triangle are 38° and 72°. What is the measure of the third angle?

  • 110°
  • 20°
  • 70°
Correct answer(s):
  • 70°

Two angles of a triangle are 45° and 45°. What is the measure of the third angle?

  • 90°
Correct answer(s):
  • 90°

Two angles of a triangle are 70° and 40°. What is the measure of the third angle?

  • 70°
  • 20°
  • 110°
Correct answer(s):
  • 70°

Two angles of a triangle are 55° and 65°. What is the measure of the third angle?

  • 30°
  • 120°
  • 60°
Correct answer(s):
  • 60°

Two angles of a triangle are 65° and 45°. What is the measure of the third angle?

  • 110°
  • 70°
  • 20°
Correct answer(s):
  • 70°

Two angles of a triangle are 35° and 75°. What is the measure of the third angle?

  • 20°
  • 70°
  • 110°
Correct answer(s):
  • 70°

Two angles of a triangle are 40° and 60°. What is the measure of the third angle?

  • 80°
  • 100°
  • 10°
Correct answer(s):
  • 80°

A triangle has side lengths 12 cm, 12 cm, and 12 cm. What type of triangle is it by sides?

  • Scalene triangle
  • Equilateral Triangle
  • Equilateral triangle
  • Isosceles triangle
Correct answer(s):
  • Equilateral Triangle

A triangle has side lengths 8 cm, 9 cm, and 10 cm. What type of triangle is it by sides?

  • Equilateral triangle
  • Scalene triangle
  • Isosceles triangle
  • Scalene Triangle
Correct answer(s):
  • Scalene Triangle

A triangle has side lengths 4 cm, 5 cm, and 6 cm. What type of triangle is it by sides?

  • Equilateral triangle
  • Scalene triangle
  • Scalene Triangle
  • Isosceles triangle
Correct answer(s):
  • Scalene Triangle

A triangle has side lengths 6 cm, 6 cm, and 4 cm. What type of triangle is it by sides?

  • Isosceles Triangle
  • Equilateral triangle
  • Scalene triangle
  • Isosceles triangle
Correct answer(s):
  • Isosceles Triangle

A triangle has side lengths 5 cm, 5 cm, and 5 cm. What type of triangle is it by sides?

  • Scalene triangle
  • Equilateral triangle
  • Equilateral Triangle
  • Isosceles triangle
Correct answer(s):
  • Equilateral Triangle

A triangle has base 40 cm and perpendicular height 9 cm. What is its area?

  • 98 cm²
  • 49 cm²
  • 360 cm²
  • 180 cm²
Correct answer(s):
  • 180 cm²

A triangle has base 35 cm and perpendicular height 8 cm. What is its area?

  • 43 cm²
  • 140 cm²
  • 86 cm²
  • 280 cm²
Correct answer(s):
  • 140 cm²

A triangle has base 28 cm and perpendicular height 6 cm. What is its area?

  • 68 cm²
  • 168 cm²
  • 84 cm²
  • 34 cm²
Correct answer(s):
  • 84 cm²

A triangle has base 24 cm and perpendicular height 15 cm. What is its area?

  • 180 cm²
  • 360 cm²
  • 39 cm²
  • 78 cm²
Correct answer(s):
  • 180 cm²

A triangle has base 11 cm and perpendicular height 18 cm. What is its area?

  • 58 cm²
  • 198 cm²
  • 29 cm²
  • 99 cm²
Correct answer(s):
  • 99 cm²

A triangle has base 9 cm and perpendicular height 4 cm. What is its area?

  • 13 cm²
  • 18 cm²
  • 26 cm²
  • 36 cm²
Correct answer(s):
  • 18 cm²