2001 CEMC Pascal Problems/Problem 5
Revision as of 10:33, 5 July 2025 by Anabel.disher (talk | contribs) (Created page with "==Problem== In the diagram, the value of <math>x</math> is {{Image needed}} <math> \text{ (A) }\ 100 \qquad\text{ (B) }\ 65 \qquad\text{ (C) }\ 80 \qquad\text{ (D) }\ 70 \qqua...")
Problem
In the diagram, the value of is
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Solution
We can see that angles and
form a straight angle from the diagram, allowing us to create an equation:
We also notice because
.
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The sum of the measures of the interior angles in a triangle is always . Using triangle
, we have:
~anabel.disher