SAT Mc Graw Hill 2011

CHAPTER 10 / ESSENTIAL GEOMETRY SKILLS 375

6. Point Hhas coordinates (2, 1), and point J
   has coordinates (11, 13). If HK

___

is parallel to

the x-axis andJK

___

is parallel to the y-axis, what

is the perimeter of ∆HJK?

7. A square garden with a diagonal of length

meters is surrounded by a walkway

3 meters wide. What is the area, in square

meters, of the walkway?

....

1 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6

242

24

2

3

Note:Figure not drawn to scale.

8. In the figure above, what is the value of z?

(A) 15

(B)

(C)

(D)

(E) 30 3

30 2

15 3

15 2

x°

2 x° x°

2 y + 5

3 y

z

....

1 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6