soom6080
31.01.2020 •
Mathematics
Ling has m dolls. alice has 3 times as many doll's as long. betty has 7 fewer doll's than alice. how many dolls do they have in all. give your answer in terms of m
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Ответ:
The perimeter is 72 inches
Step-by-step explanation:
using the pythagorean theorem we can solve for the missing leg by plugging in the values we know.
now you just add the values, 30 + 24 + 18