Question

"_" The sum of two angles of quadrilateral PQRS is 130° and other two angles are equal . What are the measures of the sum of other angles?​

Answer 1

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• 1st angle = 130°
• Let the 2nd and 3rd angles be x & x respectively.

(Sum of three angles of a Δ sum is 180° )

Now,

• 130° + x + x = 180°
• => 130° + 2x = 180°
• => 2x = (180-130)°
• => 2x = 50°
• => x = (50/2)°
• => x = 25°

Both the angles measure 25° each.

Hence, Sum of the measures of the other angles

• = (25+25)°
• = 50°

Answer 2

SOLUTiON

GiVEN

1st angle = 130°

Let the 2nd and 3rd angles be x & x respectively.

(Sum of three angles of a Δ sum is 180° )

Now,

130° + x + x = 180°

=> 130° + 2x = 180°

=> 2x = (180-130)°

=> 2x = 50°

=> x = (50/2)°

=> x = 25°

Both the angles measure 25° each.

Hence, Sum of the measures of the other angles

= (25+25)°

= 50°