Math Trigonometey

Question

AstherTyro

Asked: April 8, 20212021-04-08T12:30:37+00:00 2021-04-08T12:30:37+00:00In: Algebra, Numbers and Combinatorics, College/University

Two angles of a triangle measure 15° and 85 °. What is the measure for the third angle?

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Sengemegz · Accepted Answer · 2021-04-08T13:09:12+00:00

Best Answer

Sengemegz Moderator

Sum of a triangle is $180$

Let the third angle be $x$

$\therefore x+15+85=180$

$x+100=180$

Subtract $100$ from both sides

$x=180-100=80$

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