The perimeter of rectangle ABCD is 42 inches. If its base is 12 inches, find its area .

108 square units

Step-by-step explanation:

I could be wrong but:

Base=12

perimeter=42

Rectangles have 2 sets of congruent sides so you take

12(base) x 2 because there is 2 sides that are equal and it equals 24.

Take 42-24 wihich gives you 18 because you have already found both bases

Divide 18 by 2 (=9) because you have to sides left.

Then all the sides: 12, 12, 9, 9 add up to 42 as the perimeter and you do a simple base times height.

Please give brainliest

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300

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