Triangle Angles with Ratios & Equations

Daniel Math Academy · Grade 7 Math

Triangle Angles with Ratios & Equations

Skill K.3 · Triangles & polygons · ★★☆ Medium

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Answer each question.

1. 1
   A triangle's angles measure $(2x+35{)}^{\circ }$, $x^{\circ }$, and $(2x+35{)}^{\circ }$. Find $x$.
2. 2
   A triangle's angles measure $x^{\circ }$, $(4x+40{)}^{\circ }$, and $(3x+12{)}^{\circ }$. Find $x$.
3. 3
   A triangle's angles measure $3x^{\circ }$, $(2x+54{)}^{\circ }$, and $x^{\circ }$. Find $x$.
4. 4
   A triangle's angles measure $(3x+30{)}^{\circ }$, $x^{\circ }$, and $(x+35{)}^{\circ }$. Find $x$.

Daniel Math Academy · Grade 7 Math

Answer Key

K.3 Triangle Angles with Ratios & Equations · ★★☆ Medium

1. 1$x=22$
2. 2$x=16$
3. 3$x=21$
4. 4$x=23$