QUANTITY A QUANTITY B- A B C D
CBAx° y°x + 30°QUANTITY A QUANTITY B- x y A B C D
BCDEA45°BCDE is a square
QUANTITY A QUANTITY B- 12 × the area of BCDE The area of triangle ABE A B C D
B CDA
45°Triangle ACD is equilateral
QUANTITY A QUANTITY B- A B C D
The area of an
equilateral triangle
with an altitude of 8The area of an
equilateral triangle with
a side length of 8The perimeter of
triangle ABCThe perimeter of
triangle ACDCHAPTER 13 ■ GEOMETRY 39104-GRE-Test-2018_313-462.indd 391 12/05/17 12:04 pm