In Fig 6.39, sides QP and RQ of ΔPQR are produced | Exercise 6.3 [Q1]

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Exercise 6.3 class 9 Question 1

In the figure 6.39, sides QP and RQ of ΔPQR are produced to points S and T respectively. If ∠SPR = 135° and ∠PQT= 110° , find ∠PRQ.

Hint:💡
Theorem 6.8
If a side of a triangle is produced, then the exterior angle formed is equal to the sum of the two interior opposite angles.

Axiom 6.1
If a ray stands on a line, then the sum of two adjacent angles so formed is 180°

Note📝
The above question is taken from NCERT class 9 chapter Lines and Angles exercise 6.3 question 1.

Practise📖:
Lines and angles Ex 6.2

Exercise 6.1 class 9

Theorem 6.1
If two lines intersect each other, then the vertically opposite angles are equal.

Revise✍🏻:
Number Systems

Polynomials

Lines and Angles

Connect with us 🤩:

#linesandangles #class9maths #ncert
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  2. in fig 6.39 sides qp and rq
  3. in fig 6.39 sides qp and rq of
  4. sides qp and rq of triangle pqr are produced to point s and t respectively
  5. In Fig. 6.39
  6. sides QP and RQ of PQR are produced to points S and T respectively
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