ParallelUniverse
15.04.2021 •
Mathematics
PLEASE HELP :DDDDDDDDDD
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Ответ:
341 cm²
Step-by-step explanation:
A=11 x 11= 121 cm²
A=1/2(11)(10)
A=55 cm²
Multiply the area of one triangle by 4 since there are four triangles.
=220 cm²
220+121=341cm²
Ответ: