NCERT Class 8 Mathematics Solutions: Chapter 3 – Understanding Quadrilaterals Exercise 3.1 Part 6 (For CBSE, ICSE, IAS, NET, NRA 2022)

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The Sum of Linear Pair Angles is 180 Degree

Question: 7

(a) Find

Image:

One Side of Triangle Are Given

(b) Find

Image:

One Side of Quadrilateral Figure

Answer:

(a)

Here, two angles length are given.

So, sum of interior angle of triangle

Now, sum of linear pair angles is .

(b) Using angle sum property of a quadrilateral.

Sum of interior angles of triangle

Now, sum of linear pair angles is .