Q14
The angles of a triangle are (x + 5)°, (2x - 3)° and (3x + 4)°. Then the value of x is?
A.
30
B.
31
C.
29
AnswerD.
28
Answer: Option C
Solution
Answer: Option C
Solution:
(x + 5)° + (2x - 3)° + (3x + 4)° = 180°(Sum of all angles in triangle is 180°)
⇒ 6x + 6° = 180°
⇒ (x + 1) = 30°
⇒ x = 29°