A1 = 0.91
a6 = -0.14
sum = (0.91+-0.14) /2
sum = 2.31
Hello!
You know that two sides and one of the angles are congruent
The only choice that has two sides and 1 angle is ASA postulate
The answer is ASA postulate
Hope this helps!
A cell with 2cm sides has a surface area of 6 × a2 or <span> a</span>2<span> + a</span>2<span> + a</span>2<span> + a</span>2<span> + a</span>2<span> + a</span><span>2
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