Preskoči na glavni sadržaj

Sign up for FREE

10.1.5 Review & Preview

Posljednje ažuriranje 4 months ago

13

1

Pitanje 1

1.

In the diagram at right, ⊙M has radius 14 feet and ⊙A has radius 8 feet. Line ER is tangent to both ⊙M and ⊙A. If NC=17 feet, find ER. Homework Help ✎

1

1

1

Use the sectors in circles D and E to answer the following questions. Homework Help ✎

null

1

Pitanje 2

2.

What is the ratio of the arc length to the radius of circle D? Leave your answer in terms of π.

1

Pitanje 3

3.

What is the ratio of the arc length to the radius of circle E?

1

Pitanje 4

4.

The ratio of the arc length to the radius of a circle is called a radian. Why do you think all sectors with a central angle of º30º have the same radian measure?

Pitanje 5

5.

In the figure below, find the interior height (h) of the obtuse triangle. Show all work. Homework Help ✎

Pitanje 6

6.

A cylinder with volume 500π cm^3 is similar to a smaller cylinder. If the scale factor is 15 what is the volume of the smaller cylinder? Explain your reasoning. Homework Help ✎

A six-year old house, now worth $175,000, has had an annual appreciation of 5%. Homework Help ✎

1

Pitanje 7

7.

What is the multiplier?

1

Pitanje 8

8.

What did it cost when new? Round to the nearest dollar.

1

Pitanje 9

9.

Write a function of the form f(t)=ab^t, where t is the time in years, that represents the value of the house since it was new.

In the figure at right, line EX is tangent to ⊙O at point X. OE=20 cm and XE=15 cm. Homework Help ✎

null

1

Pitanje 10

10.

What is the area of the circle?

1

Pitanje 11

11.

What is the area of the sector bounded by OX and ON?

1

Pitanje 12

12.

Find the area of the region bounded by XE, NE, and \overset\frown{NX}.

Pitanje 13

13.

Multiple Choice: In the circle below, CD is a diameter. If AE=10 , CE=4 , and AB=16 , what is the radius of the circle? Homework Help ✎

15

16

18

19

None of these