Answer
A) 7.3 in.
Step-by-step explanation
The area of a triangle = 1/2 ×base length × height
In the question given, base length = height = x
Area = 27 in²
1/2 × x × x =27
1/2×x²=27
x² = 54
x = √54
= 7.3485 in²
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