Ch 8, 9.3 Review

12

Find AB.

6

Find AB.

7

Find RQ

9

Find a.

8

Figures A and B are similar. Figure A has a perimeter of 24. Figure B has a perimeter of 36 and one side length of 12. What is the corresponding side length for figure A?

30

Figures A and B are similar. Figure A has a perimeter of 72 and side length of 18. Figure B has a perimeter of 120. What is the corresponding side length in Figure B?

6

Figures A and B are similar. Figure A has an area of 18 square units. Figure B has an area of 98 square units and a side length of 14 units. What is the corresponding side length in Figure A?

7.5

Figures A and B are similar. Figure A has an area of 48 square units and one of the side lengths is 6 units. Figure B has an area of 75 square units. What is the corresponding side length for Figure B?

61

Find m∠LNS (in degrees)

44.5

Find m∠NPR (in degrees)

30

Find m∠NQR (in degrees)

89

Find m∠NRQ (in degrees)

91

Find m∠NSM (in degrees)

0.16

Find the scale factor for the area of JKLM to the area of EFGH

2.5

Find the scale factor of EFGH to JKLM.

0.4

Find the scale factor of JKLM to EFGH.

4

Find the value of x that makes ∆PQR ~ ∆JKL

9

Find the value of x that makes ∆PQR ~ ∆JKL

27.5

Find the value of x.

12

Find the value of y.

65

Find the value of z.

12

Find x.

3

Find x.

40

Find x.

3√(15)

Find y.

40

Find z.