3 years ago

Plz ANWSER questions 10,11, and 12, plz Plz no one will amwser

Mathematics

1 answer:

k0ka [10]3 years ago

6 0

Answer:

19,8

105,7

144,84

304

Step-by-step explanation:

At first, 9) is not correct.

Formula for surface of parallelogram is

A=a*H

DONt divide with 2.

So the 9) is 19.8

10) A=15.1*7=105.7

11) A=14.2*10.2=144.84

12) A=20*15.2=304

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