Angle x is (2n + 12) °, and angle y is (3n + 18) °. Find the measure of angle x.

Note: not drawn to scale.

A) 24°

B) 30°

C) 72°

D) 108

Question

Marie Vincent

Mathematics

7 December, 17:09

Angle x is (2n + 12) °, and angle y is (3n + 18) °. Find the measure of angle x.

Note: not drawn to scale.

A) 24°

B) 30°

C) 72°

D) 108

+2

Answers (1)

Know the Answer?

Amaris Hodge · Answer 1

Angles add to 180 since assume straighe line

x+y=180

x=2n+12

y=3n+18

2n+12+3n+18=180

5n+30=180

minus 30

5n=150

divide 5

n=30

sub back

x=2n+12

x=2 (30) + 12

x=60+12

x=72 degrees

C

Angle x is (2n + 12) °, and angle y is (3n + 18) °. Find the measure of angle x.Note: not drawn to scale.A) 24°B) 30°C) 72°D) 108

Angle x is (2n + 12) °, and angle y is (3n + 18) °. Find the measure of angle x.

Note: not drawn to scale.

A) 24°

B) 30°

C) 72°

D) 108