Question: If the lengths of the sides of a triangle are 5 cm, 12 cm, and 13 cm, what type of triangle is it?
Options:
Acute
Obtuse
Right
Equilateral
Correct Answer: Right
Solution:
Since 5² + 12² = 13², it is a right triangle.
If the lengths of the sides of a triangle are 5 cm, 12 cm, and 13 cm, what type
Practice Questions
Q1
If the lengths of the sides of a triangle are 5 cm, 12 cm, and 13 cm, what type of triangle is it?
Acute
Obtuse
Right
Equilateral
Questions & Step-by-Step Solutions
If the lengths of the sides of a triangle are 5 cm, 12 cm, and 13 cm, what type of triangle is it?
Pythagorean Theorem – The theorem states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.
Types of Triangles – Triangles can be classified based on their angles (acute, right, obtuse) and their sides (scalene, isosceles, equilateral).
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