Post a New Question


posted by .

the measure of angle 1 is twice the measure of angle 2. the measure of angle 3 is 40 degrees less than the measure of angle 2. which of the following tools would you use to determine the measures of the three angles? justify your selection(s). then use the tool(s) to solve the problem.

draw a model

  • Triangles -

    I would use algebra
    the actual calculations can then be done mentally.

    let angle 2 = x
    let angle 1 = 2x
    let angle 3 = 2x-40

    2x-40 + 2x + x = 180

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question