How many degrees are there in:1) One right angle2) Two right angle 3) Three right angle4) Four right angle5)  23 right angle6)  112 right angle

# How many degrees are there in:1) One right angle2) Two right angle 3) Three right angle4) Four right angle5)  $\frac{2}{3}$ right angle6)  $1\frac{1}{2}$ right angle

1. A
$90°,270°,180°,360°,60°,135°$
2. B
3. C
4. D

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### Solution:

Concept- Angles are measured in degrees. There are 360 degrees in a circle. A right angle, for instance, is 90 degrees. Ninety degrees would be expressed as 90° since the sign for a degree is °. The radian is yet another angle measurement unit.
One right angle is equal to, Using the unitary method to calculate the degree.
Given is that one right angle $=90°$
1) One right angle
2) Two right angles
3) Three right angles =$90°×3=270°$
4) Four right angles  $=90°×4=360°$
5)
6)   $1\frac{1}{2}\mathit{Right angle}=90°×1\frac{1}{2}=135°$
Hence, the correct option is 3) .

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