please send me a correct answer .
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Answered by
1
Answer:
34×34 = 1,156
21×21 = 441
1156 - 441
= 715
Step-by-step explanation:
dear , I am in 8th class.
so , only know your first question's answer.
sorry. i don't have a idea of 2nf question
Answered by
0
Step-by-step explanation:
a) 34 sqare - 21 square
34×34=1156
21×21=441
= 1156-441
=715
b) a= 5-2 root 5
= 5-4.47
= 0.53
a sqare = 0.2809
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