Circle Geometry Quiz

M is a circle of radius length 7 cm and MA ⊥ the straight line L and 2AM−5=9, then the straight line is .............

• tangent

• secant

• outside

• diameter

If the area of the circle M is 16π cm² and A is a point where MA = 8 cm, then A lies ........... the circle

• inside

• on

• outside

• at the centre

If the surface of the circle M ∩ surface of the circle N = {A}, then the two circles are ..........

• distant

• touching externally

• outside

• touching internally

M and N are two intersecting circles their radii lengths are 3 cm, 5 cm, then MN∈ ..........

• ]0,2[

• ]2,8[

• ]8,∞[

• ]2,∞[

If the surface of the circle M ∩ surface of the circle N = ∅, then the two circles are ...........

• distant

• touching externally

• one inside the other

• intersecting

The number of the circles which pass through three collinear points is ............

• 1

• 2

• Zero

• infinite number

All circles which pass through the two points A, B, their centers lie on .........

• AB

• midpoint of AB

• AB

• axis of symm. of AB

The centre of the circumcircle of a triangle is the point of intersecting of ...........

• its medians

• the bisector of its angels

• its altitudes

• axis of symm. of its sides

The centre of the inscribed circle of a triangle is the point of intersecting of ...........

• axis of symm. of its sides

• its medians

• the bisector of its angels

• its altitudes

The number of the circles which pass through two points is ............

• 1

• 2

• Zero

• infinite number