Answer <1 = 145
< 2= 35
<3 = 35
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Step-by-step explanation:
<1 + <4 = 180 (supplementary since you can find corresponding side and straight angle)
<1 = 180-35
=145 degrees
<2 =<4 corresponding angles
<2 = 35 degrees
<3 = 35 degree (corresponding to <2)
Median
Step-by-step explanation:
If

is the length and

the width, then

.
Since the area of the rectangle is

you have

Factoring the left hand side gives

Obviously the width can't be negative, so

. This means D is the answer, since it's the only option with this measure.
63. 54 is 9 fewer than 2nd period, so you need to add 9.