melanie12566
18.06.2021 •
Mathematics
What is the perimeter square above
A.882 square centimeters
B.42 square centimeters
C.441 square centimeters
D. 84 square centimeters
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Ответ:
option D
Step-by-step explanation:
length of a square = 21 cm
perimeter of a square = 4l
=4*21
=84 centimeters
Ответ:
C
Step-by-step explanation:
The square looks like it has equivalent sides so
21 x 21 = 441 square centimeters
Ответ:
55+35+80=180
25+65+90+180
The others are not possible as they do not have 180 degrees