Geometry Savvas Topic 9 Review

A gardener pegs out a rope, 20 meters long, to form a triangular flower bed as shown in this diagram. Find the area of the flower bed

• none of those

The voronoi diagram shows the location of 4 post offices in a town. If someone lives at (4,-2),where should they collect their mail?

• B

• C

• D

• E

• E or C

The voronoi diagram shows 4 schools and their catchment zones. Lily lives equally distant from schools A, C and D. Where does Lily live?

• (0,1)

• (2,0)

• (2,1.5)

• (3,6)

• none of those

This voronoi diagram shows the location of polling booths in an electorate. A new booth is to be added. Where should it go?

• Either (-1.5, 1.5) or (1.5, -1.5)

• Must be at (1.5, -1.5)

• Must be at (-1.5, 1.5)

• Must be at (0,0)

Amanda and Jamie are standing 25 feet apart and spot a bird in the sky between them. The angle of elevation from Amanda to the bird is 55 degrees, and from Jamie to the bird is 63 degrees. How far away, to 2 decimal places, is the bird from Amanda?

• 25.23 ft

• 23.19 ft

• 22.15 ft

• 20.85 ft

If Pacman's mouth, when open, is 70° and the radius of his mouth is 8mm, what is the area of the rest of Pacman's body?

• 161.97 mm²

• What's Pacman?

• 39.1 mm²

• 9.77 mm²

What is area of the cell containing site D?

• 32 units²

• 64 units²

• 44 units²

• 56 units²

• none of those

Which Theorem or Postulate will show k || j.

• Alternate interior angles theorem

• alternate interior angles converse theorem

• alternate exterior angles theorem

• alternate exterior angles converse theorem

What is the measure of ∠8?

• 55

• 155

• 135

• 45

Identify the correct statement.

• ∠A=82°

• ∠A=98°

• ∠A=180°

• ∠A=8°