A residential block is in the shape of a triangle. First Avenue, a side of the
triangle, forms an exterior angle of measure 2x with one of the other
sides. The remote interior angles measure 2x - 40 and x - 15.
a. Sketch and label the ﬁgure with the information in the problem.
b. Write and solve an equation to determine the value of x. Then ﬁnd the
measures of the three interior angles.

Question

A residential block is in the shape of a triangle. First Avenue, a side of the
triangle, forms an exterior angle of measure 2x with one of the other
sides. The remote interior angles measure 2x - 40 and x - 15.
a. Sketch and label the ﬁgure with the information in the problem.
b. Write and solve an equation to determine the value of x. Then ﬁnd the
measures of the three interior angles.

anonymous · Answer

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is my sketch right? where do i put "2x"?

anonymous · Answer

2x-40+x-15=2x
x=55

am i right?
tell me what's next..?