Test:
Circles II - Normal
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Question 1:
Find
$\alpha $
:
A
$\alpha ={90}^{\circ}$
B
$\alpha ={80}^{\circ}$
C
$\alpha ={100}^{\circ}$
D
$\alpha ={110}^{\circ}$
Question 2:
Find
$\alpha $
:
A
${30}^{\circ}$
B
${22.5}^{\circ}$
C
${22}^{\circ}$
D
${90}^{\circ}$
Question 3:
Find
$\alpha $
:
A
${100}^{\circ}$
B
${110}^{\circ}$
C
${80}^{\circ}$
D
${90}^{\circ}$
Question 4:
Find
$\alpha $
:
A
$\alpha ={100}^{\circ}$
B
$\alpha ={135}^{\circ}$
C
$\alpha ={90}^{\circ}$
D
$\alpha ={120}^{\circ}$
Question 5:
Find
$\gamma $
$\begin{array}{l}\alpha ={120}^{\circ}\\ \beta ={130}^{\circ}\end{array}$
A
$\gamma ={120}^{\circ}$
B
$\gamma ={130}^{\circ}$
C
$\gamma ={110}^{\circ}$
D
$\gamma ={100}^{\circ}$
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