Advertisements
Advertisements
प्रश्न
In the given figure, AB is perpendicular to BC at B.
Find:
(i) the value of x.
(ii) the complement of angle x.
Advertisements
उत्तर
(i) In the given figure,
AB + BC at B.
∴ ∠ABC = 90°
⇒ x + 20° + 2x + 1° + 7x − 11° = 90°
⇒ 10x + 10° = 90°
⇒ 10x = 90°− 10° = 80°
⇒ x =`(80°)/10` = 8°
Hence x = 8°
(ii) Complement of angle x = 90°− x
= 90°− 8° = 82°
APPEARS IN
संबंधित प्रश्न
If an angle is 30° more than one half of its complement, find the measure of the angle.
statement are true and false
If two adjacent angles are equal, and then each angle measures 90°.
Fill in the blank so as to make the following statement true:
If one angle of a linear pair is acute, then its other angle will be _____
Fill in the blank so as to make the following statement true:
A ray stands on a line, then the sum of the two adjacent angles so formed is ______
An angle is equal to five times its complement. Determine its measure.
How many lines can be drawn through three
(a) collinear points?
(b) non-collinear points?
In the given figure. p° = q° = r°, find each.
In the adjoining figure, if b° = a° + c°, find b.
Write the complement of 90°
Write the supplement of (x + 35)°
