
How many right angles does a rectangle have?
Answer
479.1k+ views
1 likes
Hint: In geometry, a closed figure is called a polynomial. The point at which two adjacent lines of a polygon meet are called the vertices and the line joining the vertices is called the side. Polygons are of several types depending on the number of sides the polygon has. A rectangle is a polygon having four sides. Using the properties of a rectangle, we can find out the number of right angles it has.
Complete step-by-step answer:
A rectangle has four sides, opposite sides of a rectangle are always equal in length. All the sides of the rectangle are perpendicular to each other, that is the angle between any two sides of a rectangle is 90 degrees. The sum of all the interior angles present in a rectangle is 360 degrees.
So the number of right angles in a rectangle is equal to 360 degrees divided by 90 degrees, that is, 4.
Hence, a rectangle has 4 right angles.
So, the correct answer is “4”.
Note: A quadrilateral is a polygon that has four sides. The diagonal of a quadrilateral divides it into two triangles, as we know the sum of all interior angles of a triangle is 180 degrees, the sum of all the interior angles of a quadrilateral is 360 degrees. As the rectangle also has 4 sides, it is a type of quadrilateral and thus follows the quadrilateral angle sum property that’s why the sum of all the angles in a rectangle is equal to 360 degrees.
Complete step-by-step answer:
A rectangle has four sides, opposite sides of a rectangle are always equal in length. All the sides of the rectangle are perpendicular to each other, that is the angle between any two sides of a rectangle is 90 degrees. The sum of all the interior angles present in a rectangle is 360 degrees.
So the number of right angles in a rectangle is equal to 360 degrees divided by 90 degrees, that is, 4.
Hence, a rectangle has 4 right angles.
So, the correct answer is “4”.
Note: A quadrilateral is a polygon that has four sides. The diagonal of a quadrilateral divides it into two triangles, as we know the sum of all interior angles of a triangle is 180 degrees, the sum of all the interior angles of a quadrilateral is 360 degrees. As the rectangle also has 4 sides, it is a type of quadrilateral and thus follows the quadrilateral angle sum property that’s why the sum of all the angles in a rectangle is equal to 360 degrees.
Latest Vedantu courses for you
Grade 8 | CBSE | SCHOOL | English
Vedantu 8 CBSE Pro Course - (2025-26)
School Full course for CBSE students
₹45,300 per year
Recently Updated Pages
Master Class 8 Science: Engaging Questions & Answers for Success

Master Class 8 English: Engaging Questions & Answers for Success

Master Class 8 Social Science: Engaging Questions & Answers for Success

Master Class 8 Maths: Engaging Questions & Answers for Success

Class 8 Question and Answer - Your Ultimate Solutions Guide

Master Class 11 Economics: Engaging Questions & Answers for Success

Trending doubts
What is the southernmost point of the Indian Union class 8 social science CBSE

List some examples of Rabi and Kharif crops class 8 biology CBSE

Canada has 6 different standard times Give geographical class 8 social science CBSE

Why does temperature remain constant during the change class 8 chemistry CBSE

The exponent of 2 in the prime factorization of 144 class 8 maths CBSE

What are biotic and abiotic resources Give some ex class 8 social science CBSE
