Advertisements
Advertisements
प्रश्न
In the adjoining figure, if b° = a° + c°, find b.
उत्तर
a° + b° + c° = 180° ............(straight angle)
But b° = a° + c° .........(given)
∴ a° + c° + b° = 180°
⇒ b° + b° = 180°
⇒ 2b° = 180°
⇒ b° =`(180°)/2` = 90°
Hence b° = 90°
APPEARS IN
संबंधित प्रश्न
If an angle is 28° less than its complement, find its measure.
Fill in the blank so as to make the following statement true:
If the sum of two adjacent angles is 180°, then the ______ arms of the two angles are
opposite rays
The complement of an acute angle is ..............
The supplement of a right angle is ..............
Two straight lines AB and CD cut each other at O. If ∠BOD = 63°, then ∠BOC =
Two complementary angles are such that two times the measure of one is equal to three times the measure of the other. The measure of the smaller angle is
How many rays can be drawn through a fixed point O?
In the given figure. p° = q° = r°, find each.
Write the supplement of (90 + a + b)°
Write the supplement of `1/5` of a right angle
