Geometry 5.8 Coordinate Proofs

Find the coordinates of the unlabeled vertices.

a

b

(0,0)

(h,0)

Tags

CCSS.6.G.A.3

Find the coordinates of the unlabeled vertices.

a

b

(-2h,0)

(2,4k)

Tags

CCSS.HSG.GPE.B.6

Your friend says that a convenient way to draw an equilateral triangle on a coordinate plane is with the base along the x-axis starting at the point (0,0). Is your friend correct? Explain.

Answer explanation

Yes. Having a point at (0,0) will make finding the length of the base easier.

Tags

CCSS.6.G.A.3

Place the figure in a coordinate plane in a convenient way. Assign coordinates to each vertex. Which set of coordinates is most convenient?

A rectangle 2 units wide and 6 units long

• (0,2) , (2,6) , (6,0) , (0,0)

• (2,6) , (0,0) , (6,2) , (6,0)

• (2,0) , (0,0) , (2,6) , (0,6)

• (0,2) , (0,0) , (6,2) , (6,0)

Tags

CCSS.5.G.A.2

Place the figure in a coordinate plane in a convenient way. Assign coordinates to each vertex. Which set of coordinates is most convenient?

A rectangle l units long and w units wide

• (0,w) , (w,l) , (w,0) , (0,0)

• (0,w) , (0,0) , (l,w) , (l,0)

• (w,0) , (0,0) , (w,l) , (0,l)

• (0,l) , (0,0) , (l,w) , (w,0)

Tags

CCSS.6.G.A.3