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pantera1 [17]
2 years ago
15

The intersections of 12th St., Constitutional Ave., and Pennsylvania Ave. in Washington, D.C. form a triangle. The Old Post Offi

ce is wedged in the 12th St. − Pennsylvania Ave. angle of this triangle. If the 12th St. − Constitutional Ave. angle measures 90°, and the Constitutional Ave. − Pennsylvania Ave. angle measures 30°, what is the measure of the angle the Old Post Office is wedged in?
Mathematics
1 answer:
alexandr402 [8]2 years ago
8 0

Answer:

60°

It's a 30-60-90 triangle

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