Two rectangles are similar. One has a length of 11 cm and a width of 10 cm, and

Mathematics
Tutor: None Selected Time limit: 1 Day

Two rectangles are similar. One has a length of 11 cm and a width of 10 cm, and the other has a width of 7 cm. Find the length of the second rectangle. Round to the nearest tenth if necessary.

a.  6.4 cm

b.  5.8 cm

c.  8.9 cm

d.  7.7 cm

Apr 30th, 2015

L = 11 cm

W = 10 cm

L' = ?

W' = 7 cm

Since the two triangles are similar

L/L' = W/W'

11/L' = 10/7

10L' = 11*7

10L' = 77

L' = 77/10

L' = 7.7 cm

So length of the second rectangle is 7.7 cm.


ANSWER:   d)  7.7 cm

Apr 30th, 2015

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Apr 30th, 2015
...
Apr 30th, 2015
Dec 10th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer