J.3

Solve for x with Angle Relationships

Write and solve an equation from complementary, supplementary, or vertical angles.

Level

Medium

Level

Problems

Show exampleInclude answer key

@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 7 Math Solve for x with Angle Relationships Skill J.3 \cdot Angle relationships \cdot ★★☆ Medium Name Date Score / 3 Scan for answers Find the value of x. Example 12 m ∠1 = (3 x - 20)^{\circ}, m ∠2 = (x + 30)^{\circ} 3 x - 20 = x + 30, so x = 25 Think: Angles 1 and 2 are vertical angles, so their measures are equal: 2 x = 50 . 1 12 m ∠1 = (3 x + 20)^{\circ}, m ∠2 = (2 x + 29)^{\circ} 2 12 m ∠1 = (3 x + 20)^{\circ}, m ∠2 = (2 x + 39)^{\circ} 3 12 m ∠1 = (4 x + 5)^{\circ}, m ∠2 = (3 x + 32)^{\circ} Daniel Math Academy \cdot danielmath.com Worksheet # itjgewg \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 7 Math Answer Key J.3 Solve for x with Angle Relationships \cdot ★★☆ Medium 1 x = 9 2 x = 19 3 x = 27 Daniel Math Academy \cdot danielmath.com Worksheet # itjgewg \cdot Answer Key \cdot Page 2 / 2

J. Angle relationships6 skills