Question
The two rectangles above are similar. If b = 21 mm, and c = 22 mm, and d = 33 mm, what is the length of a?
A.
8 mm
B.
17 mm
C.
7 mm
D.
14 mm
A.
8 mm
B.
17 mm
C.
7 mm
D.
14 mm
Answers
GPT-4
In similar rectangles, the ratios of corresponding sides are equal.
So, we set up the proportion a/b = c/d.
Plugging in the given values, we get a/21 = 22/33
To isolate a, we cross-multiply and solve for a:
a = (22*21)/33 = 14 mm
So the answer is D. 14 mm.
So, we set up the proportion a/b = c/d.
Plugging in the given values, we get a/21 = 22/33
To isolate a, we cross-multiply and solve for a:
a = (22*21)/33 = 14 mm
So the answer is D. 14 mm.