Lines p and q are parallel, and a transversal crosses both. Two corresponding angles measure $(2x + 15)^\circ$ and $(3x - 20)^\circ$ . What is the size of each of these angles?

35°Correct answerYour answer85°Correct answerYour answer89°Correct answerYour answer95°Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer B

Correct answer: B

Worth noting

35 is the value of $x$ , not the angle. 89° comes from wrongly adding the two angles to 180°.

Ten questions from Lines, Triangles and Circles, at your own pace.

Ten questions from Lines, Triangles and Circles, at your own pace.

Lines p and q are parallel, and a transversal crosses both. Two corresponding angles measure (2x+15)∘(2x + 15)^\circ(2x+15)∘ and (3x−20)∘(3x - 20)^\circ(3x−20)∘. What is the size of each of these angles?