Advertisements
Advertisements
Question
In the given figure, if x = 2y, find x and y
Advertisements
Solution
x° + y° = 180° .............(straight angle)
But x = 2y ........(given)
∴ 2y + y = 180°
⇒ 3y = 180°
⇒ y =`(180°)/3` = 60°
Hence y = 60°
and x = 2y = 2 × 60° = 120°
APPEARS IN
RELATED QUESTIONS
In the given below fig, rays OA, OB, OC, OP and 0E have the common end point O. Show
that ∠AOB + ∠BOC + ∠COD + ∠DOE + ∠EOA = 360°.
statement are true and false
If two adjacent angles are equal, and then each angle measures 90°.
Define complementary angles.
An angle is equal to five times its complement. Determine its measure.
One angle is equal to three times its supplement. The measure of the angle is
State, true or false:
An infinite number of straight lines can be drawn through a given point.
How many lines can be drawn through three
(a) collinear points?
(b) non-collinear points?
In the following figure, ∠AOB and ∠AOC are adjacent angles? Give the reason for your answer.
Write the supplement of 80° 49′ 25″
AB, CD and EF are three lines intersecting at the same point.
(i) Find x, if y = 45° and z = 90°.
(ii) Find a, if x = 3a, y = 5x and r = 6x.
