CHAPTER 10 / ESSENTIAL GEOMETRY SKILLS 367
- In the figure above, if AB=BD,then x=
(A) 25
(B) 30
(C) 35
(D) 50
(E) 65 - In the figure above, a+b+c+d=
a°
b° c°d°40 °
50 °
x°A
B
C
D
- The three sides of a triangle have lengths
of 9, 16, and k.Which of the following could
equal k?
I. 6
II. 16
III. 25
(A) I only
(B) II only
(C) I and II only
(D) II and III only
(E) I, II, and III
Note:Figure not drawn to scale.- Which of the following statements about aand
bin the figure above must be true?
I. a=b
II.a+b= 90
III.a< 60
(A) I only
(B) II only
(C) I and II only
(D) II and III only
(E) I, II, and III - In the figure above, if AD=DB=DC,then
x+y=
(A) 70
(B) 80
(C) 90
(D) 100
(E) 120
B
D
x°^100 ° y°
A Cb°a°SAT Practice 2: Triangles
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