1.One Advantage and disadvantage of oil as an important natural resources?
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<h3>As we know that sum of three angles of triangle is 180º.</h3>
The angles a and c are equal so,</h3>Now we have two side we can easily find the third side by P.G.T</h3>
we have
- cb = ab. [ sides opp to equal angles are equal]
so x is also 16
<h3>=
+
+
- {AC}=
Hope it helpa