1.

12 The opposite angles of a parallelogram PQRS are angle Q = (5x-16)° and angle S = (2x+29)°. Find all the angles of parallelogram.

Answer»

Step-by-step EXPLANATION:

ANSWER:-

Given That:-

  • The opposite sides of a Parallelogram is 5x-16 and 2x+29
  • The given condition is that it is a Parallelogram

Concept:-

PARALLELOGRAMS and other 2D figures Properties

Let's Do!

First of all, we need to know that the opposite sides of Parallelogram are always equal.

The corresponding sides of a Parallelogram are supplementary of each other.

So, according to question the sides are opposite ie equal.

5x-16 = 2x+29

5x-2x = 29+16

3x = 45

\sf{x = \dfrac{45}{3}}

x = 15°

Sp, placing the values, we get:-

5(15) - 16

= 75-16

= 59°.

So, as I said, we will find the other angles as:-

180- 59 = 121°.

Sp, 121°, 121°, 59° and 59° are the required angles.



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