Flashcards in Core 2 Deck (5)
How do you work out the length of an arc?
Rø (theta) -in radians
What is the area of a sector?
1/2r^2ø (theta) -in radians
How do you find the equation of a circle?
With (h,k) being the centre and r being the radius.
How do you find the length of a line?
Find the difference of the X and y coords, square them and add together. Then square root.