Step-by-step explanation:
ar of quadilateral
=16×7×7×20
=12080cmsq
Answer:
-11
this is not an answer sorry, but someone answered me with a link and I opened it and it virused my phone
(2,2),(3,1),(5,2)
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hope it helps
A=20 B=23 C=17,19,23
A=20
B=23
C=17,19,23
