jennymares
14.04.2021 •
Mathematics
12 6 12 24
Select one:
A. 240 square units
B. 252 square units
C. 180 square units
D. 216 square units
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Ответ:
B
Step-by-step explanation:
divide the given polygon into two (a square and a trapeziumarea of trapezium=1/2(a+b)×b 1/2(12+6)×12 ans 108square unitarea of a square=s×s 12×12 =144square unitadd 108+144=252square unitОтвет:
54 centimeters = 0.01
0.01 m - 1.4 = 1.39