How do I solve -
B^2= (b)^2-(a)^2
Answers
Answered by
3
Step-by-step explanation:
Given, (a
2
−b
2
)
2
Using , (a−b)
2
=a
2
−2ab+b
2
⇒(a
2
)
2
−2(a
2
)(b
2
)+(b
2
)
2
=a
4
−2a
2
b
2
+b
4
Answered by
1
Answer:
S=
2
a+b+c
=
2
8+8+9
=12.5
By Heron's formula
Δ=
s(s−a)(s−b)(s−c)
=
(12.5)(3.5)(4.5)(4.5)
=29.765cm
2
Step-by-step explanation:
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