AnswersFL-1205070-MJ Grade 8 Pre-Algebra Summer 2026Solving for Unknown Angles in TrianglesQuestion 1
1
QuizMultiple Select
Solving for Unknown Angles in Triangles
Question 1 • FL-1205070-M/J Grade 8 Pre-Algebra (Summer 2026)
Triangle ABC is a right triangle.Which equations can be used to find the value of x? Check all that apply.
Answer
A
x + 90 + (x minus 10) = 180
B
x + 90 + (2 x + 40) = 180
C
2 x + 80 = 180
D
x + 90 = 2 x + 40
E
(x minus 10) + 90 = 2 x + 40