Advertisements
Advertisements
Question
Two supplementary angles are (5x – 82°) and (4x + 73°). Find the value of x.
Advertisements
Solution
∵ Sum of two supplementary angles = 180°
∴ (5x - 82°) + (4x + 73°) = 180°
5x - 82° + 4x + 73° = 180°
9x - 9° = 180°
9x = 180° + 9° = 189°
x = `189^circ/9 = 21°`
∴ x = 21°
APPEARS IN
RELATED QUESTIONS
State if the angle given below, write the name of the vertex, the name of the arm and the name of the angle.
In the given figure, figure out the number of angles formed within the arms OA and OE.
The measure of the angle is given below. Write the type of angle.
148°
Use a protractor to draw an acute angle, a right angle, and an obtuse angle.
Use any number of the given dots to make different angles.
An Acute Angle
Draw and label of the angle.
∠SMC = 145°
Draw and label of the angle
∠ABC = 180°
Identify the type of angle shown by the hands of the given clock.
Name the angles formed when the vessels are lifted by tongs in kitchen is _____________
Which angle type is formed by the arms of an open book lying flat?
