robert7248
19.07.2019 •
Mathematics
Joan drew a rectangle that is 4 centimeters by 10 centimeters. it has an area of 40 square centimeters and a perimeter of 28 centimeters. which rectangle has dimensions that give the same perimeter as joan's rectangle but has a different area? a. 9 centimeters by 6 centimeters b. 5 centimeters by 8 centimeters c. 7 centimeters by 4 centimeters d. 6 centimeters by 8 centimeters
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Ответ:
First you find what numbers give you the same perimeter
9 + 9 + 6 + 6 = 30
5 + 5 + 8 + 8 = 26
7 + 7 + 4 + 4 = 22
6 + 6 + 8 + 8 = 28
The choice that has the same perimeter is D
The answer is D) 6 centimeters by 8 centimeters
Hope this helps!
Ответ:
35x.25= 8.75 58x.05= 2.90 + .62 = 12.27 - 2.37 = 9.90
Step-by-step explanation: