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Dmitry_Shevchenko [17]
2 years ago
9

How to find the area

Mathematics
1 answer:
WARRIOR [948]2 years ago
6 0
L + W 
length plus width

example:   L = 10"  W = 20"     10 x 20 = 200
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Please Answer Attachment Below Thanks
docker41 [41]

Answer:

Step-by-step explanation:

The interior angles of a heptagon add up to 5*180 = 900

So

x + 143 + 116 + 135 + 135 + 116 + 155 = 900     Add up the known angles

x + 800 = 900                                                   Subtract 800 from both sides

x + 800 - 800 = 900 - 800                              Combine

x = 100

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