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MSSTEALYOGURL3757
10.10.2019 •
Mathematics
In δabc, if m ∠a = m∠c, m∠b = ß (where ß is an acute angle), and bc = x, which expression gives the length of b, the side opposite ∠b ?
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Ответ:
The length of b is
.
Step by step explanation:
Given information: In ΔABC, ∠A =∠C, ∠B = ß (where ß is an acute angle), and BC = x.
Since two angles are same therefore triangle ABC is an isosceles triangle and side AB and BC are congruent.
According to Law of cosine
Therefore the length of b is
.
Ответ: