Advertisements
Advertisements
Question
If 3x + 18° and 2x + 25° are supplementary, find the value of x.
Advertisements
Solution
∵ 3x + 18° and 2x + 25° are supplementary angles
∴ 3x + 18° + 2x + 25° = 180°
⇒ 5x + 43° = 180°
⇒ 5x = 180°− 43° = 137°
⇒ x =`(137°)/5` = 27.4° or 27° 24′
APPEARS IN
RELATED QUESTIONS
Are the following pairs of angles complementary?
10° and 80°
Are the following pairs of angles complementary?
54° and `2/5` of a right angle.
Are the following pairs of angles supplementary?
139° and 39°.
Find k of the given figure.
Identify the given pair of angles as ∠4 and ∠6
Identify the given pair of angles as ∠1 and ∠5
Identify the given pair of angles as ∠7 and ∠9
Identify the given pair of angles as ∠4 and ∠5
Identify the given pair of angles as ∠2 and ∠13
If two angles share a common vertex and one common arm, with their other arms on opposite sides of that common arm, what are they called?
