Circles- class 9

Front

A circle passing through all three vertices of a triangle is called

Back

Circumcircle

Front

Chords at the same distance are of _______ length

Back

Same

Front

The longest chord of a circle is called ______

Back

Diameter

Front

If AB and CD are chords of a circle with center O and the values are given in the figure. What is the length of CD? Options: 2 cm, 5 cm, 4 cm, 6 cm

Back

5 cm

Front

The circumcenter of a right-angled triangle lies at the _________ of the triangle.

Back

Midpoint of the hypotenuse of the triangle

Front

In the figure, let AB be the diameter of the circle. CD and EF are equal chords. If < COA = 40°, what is < AOF?

Back

40°

Front

The perpendicular from the centre of a circle to a chord

Back

Bisects, Divides, Divides equally

Front

What is the angle around a point?

Back

360°

Front

In the figure, if O is the centre of a circle and OE is the perpendicular drawn to the chord AB and if AB= 6 cm, what is the value of BE?

Back

3 cm

Front

Which of the following is Pythagoras theorem?

Back