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Properties of Triangles
Given a triangle with side lengths of 5, 12, and 14, is the largest angle in the triangle acute, right, or obtuse? Geometric knowledge helps us deduce much about triangles from limited information.
Excel in math and science
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Concept Quizzes
In the above triangle, the blue angle is \( 30^\circ \) and the green angle is \( 70 ^ \circ \). What is the measure of the yellow angle (in degrees)?
Excel in math and science
Master concepts by solving fun, challenging problems.
It's hard to learn from lectures and videos
Learn more effectively through short, conceptual quizzes.
Our wiki is made for math and science
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by Brilliant Staff
Excel in math and science
Master concepts by solving fun, challenging problems.
It's hard to learn from lectures and videos
Learn more effectively through short, conceptual quizzes.
Our wiki is made for math and science
Master advanced concepts through explanations,
examples, and problems from the community.
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In the above diagram, the purple angle at \(Z\) equals \( \color{purple}{ 144}^\circ \) and the blue angle at \(Y\) equals \( \color{blue} {111} ^ \circ \). What is the measure of the green angle at \(X\)?
Note: The diagram is not drawn to scale.
Excel in math and science
Master concepts by solving fun, challenging problems.
It's hard to learn from lectures and videos
Learn more effectively through short, conceptual quizzes.
Our wiki is made for math and science
Master advanced concepts through explanations,
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In the above diagram, \(\color{blue} {\angle CAD=30^\circ}, \color{purple}{\angle ACD=80^\circ}\) and line \(\overline{BD}\) is a bisector of \(\angle ADC\). What is \(\color{green}{\angle CBD}\) in degrees?
Excel in math and science
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In the above diagram, what is \( \color{green} {\text{green angle}} \) in degrees?
Excel in math and science
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Our wiki is made for math and science
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by Brilliant Staff