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Question 1:
1 pts
Find is the measure of angle $\beta$ shown on the picture.
$\beta=72^{\circ}$
$\beta=48^{\circ}$
$\beta=36^{\circ}$
$\beta=18^{\circ}$
Question 2:
1 pts
Find is the measure of angle $\alpha$ shown on the picture.
$\alpha=$
$118^{\circ}$
$116^{\circ}$
$124^{\circ}$
$108^{\circ}$
Question 3:
1 pts
Find is the measure of angle $\alpha$ shown on the picture.
$75^{\circ}$
$60^{\circ}$
$45^{\circ}$
$30^{\circ}$
Question 4:
1 pts
Find is the measure of angle $\beta$ shown on the picture.
$\beta=72^{\circ}$
$\beta=54^{\circ}$
$\beta=108^{\circ}$
$\beta=126^{\circ}$
Question 5:
2 pts
Find is the measure of angle $\beta$ shown on the picture.
$\beta=$
$95^{\circ}$
$106^{\circ}$
$107^{\circ}$
$108^{\circ}$
Question 6:
2 pts
Find is the measure of angle $\alpha$ shown on the picture.
$\alpha=$
$88^{\circ}$
$108^{\circ}$
$128^{\circ}$
$180^{\circ}$
Question 7:
2 pts
Find is the measure of angle $\alpha$ shown on the picture, if $\alpha + \beta=78^{\circ}.$
$\alpha=52^{\circ}$
$\alpha=26^{\circ}$
$\alpha=39^{\circ}$
$\alpha=108^{\circ}$
Question 8:
2 pts
Find is the measure of angle $\beta$ shown on the picture, if $\alpha + \beta=100^{\circ}.$
$\beta=66^{\circ}30^{'}$
$\beta=33^{\circ}40^{'}$
$\beta=66^{\circ}20^{'}$
$\beta=33^{\circ}20^{'}$
Question 9:
3 pts
$BC$ is a chord of a circle whose central angle is $68^{\circ}34^{'}.$ If $A$ is a point on arc $BC,$ at which angle from the point $A$ we can see the chord $BC?$
$125^{\circ}43^{'}$
$34^{\circ}17^{'}$
$68^{\circ}30^{'}$
$145^{\circ}43^{'}$
Question 10:
3 pts
At which angle from the point $C$ we can see the chord $AB?$
$80^{\circ}$
$140^{\circ}$
$120^{\circ}$
$60^{\circ}$
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