#### Question

# Math help please 10 points?

4. What is the measure of S?

http://www.flickr.com/photos/63532737@N05/5806008679/in/photostream/lightbox/

12°

22°

42°

44°

14. When the point (-4, 12) is dilated with the center of dilation at the origin, then the image of the point is (-1, 3). What is the scale factor of this dilation?

4

0.25

- 4

11. A right cone has a base diameter that is 8 cm and a slant height that is 37 cm. What is the surface area of the cone?

148 cm2

164 cm2

296 cm2

360 cm2

#### Answer

answer to the 2nd question (14 - ) is 0.25

as the points ( -4, 12 ) is multiplied by 1/4 which is 0.25

answer to the 3rd question ( 11. ) answer is 465

as the s.a area of the cone is derived from the equation s.a = pie * radius ( 4) by slant height ( 37)

i think there is something missing in your question can you please check it

answer to the 1st question ( 4) answer is 22 degrees

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good luck.

1) (86-42)/2

I hope it helped at least a little....

I hated geometry so i never learned it really well so i wasnt sure about the second two and i didnt want to give you a wrong answer...im sorry...

My workings make it as:

4. 42 Degrees

14. 0.25

11. Volume of a cone is deffinatley V = 3.14 X R^2 X h / 3

So, Volume = 360