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  • Geometry
  • Circles
  • Inscribed and Central Angles in Circles

Inscribed and Central Angles in Circles

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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.
    $\alpha=$
  • 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.
    $\beta=$
  • Question 6:
    2 pts
    		Find is the measure of angle $\alpha$ shown on the picture.
    $\alpha=$
  • 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 $AB?$

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