Question

A

ABCD QRST
Find the missing side length, m.
B 12
C
12
12
12
D
m = [?]
Rms
S
3 T

Answer 1

3

Explanation:

You want the missing side length in the smaller of two similar rhombus figures. The side length of the larger is 12, the side length of the smaller is 3.

Rhombus

The larger quadrilateral has all four sides the same length, 12. Since the smaller quadrilateral is similar, it, too, will be a rhombus with all sides the same length.

One side of the smaller rhombus is shown as having length 3. This means all sides are of length 3, so ...

m = 3

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