Points Circles

Which point represents the polar coordinate
(-2, -5π/6)?

• B

• F

• D

• C

Covert the rectangular equation to polar form

• r² = 81

• r = 3

• r = 4.5

• r sin θ = 9

Convert the polar equation to rectangular form

• x² + y² = 49

• x = 7

• x + y = 49

• x² + y² = 7

What is the equation of

• (x + 3)² + y² = 9

• (x - 3)² + y² =9

• x² + (y - 3)² = 9

• x² + (y + 3)² = 9

• ∠APB + ∠AQB = 180°

• ∠APB + ∠AQB = 90°

• ∠APB = ∠AQB

• None of the above

Q1. What is the angle of a right triangle?

• A) 50°

• B) 45°

• C) 60°

• D) 40°

• 3cm

• 2cm

• 4cm

• 1cm

How many circles are possible through three non-collinear points 

• Only one 

• Two

• Three

• Many

Say 'TRUE' or 'FALSE'
The diameter is the longest chord of a circle

• TRUE

• FALSE

A ____ drawn from the centre of a circle to the chord, bisects the chord.

• Arc

• Angle

• Perpendicular line

• Diagonal