LImits Review Key

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Problem with #10 - should be 1/40.
Skip #14-16
Anything with absolute value or any piecewise defined functions can be analyzed with a calculator.

Geometry Chap 11 Required Skills

KEYS:
11.1
11.2
11.3
11.4
11.5

Geometry Solutions

From the review in the back of your study guide...

1a)r=2,d=4
1b)r=2,d=4
1c) (5,2)
2a)r=2,d=4
2b)yes, they're both 4 units
2c)x=5,y=0,y=4
2d) (5,2)
3a)r=2,d=4
3b) (4,4)
3c)x=2,x=6,y=4
3d)y=x
4a) No...doesn't satisfy the Pythagoream Thm
4b)6
5) r=3
6a)60 feet
6b)68 feet
7a)70 degrees
7b)110 degrees
7c)180 degrees
7d)210 degrees
7e)70 degrees
7f)110 degrees
7g)yes
8)170 degrees
9a)34 seconds
9b)52 times
10a)7
10b)55 degrees
11a)10
11b)90 degrees
12a)They should be congruent
12b)118 degrees
13a)Not enough information to say it's a diameter
13b)Not enough information to say the arcs are congruent
14...1)Given
14...2)segment PT is congruent to segment QS
14...3)all of radii of circle U
14...4)SSS
15)see 14
16a)58 degrees
16b)52 degrees
17a)90 degrees
17b)58 degrees
17c)58 degrees
17d)96 degrees
18)w=65,x=66,y=115,z=114
19 [switched pictures]
19a)W and Z, X and Y
19b)No. 130+70=200, NOT 180
20...2)angle AED is congruent to angle BEC
20...3)inscribed angles intercept the same arc CD
20...4)AA Similarity
21)see 21
22a)82 degrees
22b)104 degrees
23) m<1=97 degrees, m<2=83 degrees, m<3=53 degrees, m<4=117 degrees
24)100 degrees
25a)12
25b)12
26a)9
26b)4
27)14.2 feet
28a) (x-2)^2+(y-5)^2=9
28b) (x-2)^2+(y-2)^2=4
29) (x-3)^2+(y+2)^2=841
30) SKIP!
31-33) Click here for the graphs!