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MATH / The ratio of two interior angles of a parallelogram is 4:5. What is the degree measure of one of the two obtuse angles of the parallelogram?

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problem

The ratio of two interior angles of a parallelogram is 4:54:5. What is the degree measure of one of the two obtuse angles of the parallelogram?
Plain-text mathematical notation (without MathML)
The ratio of two interior angles of a parallelogram is 4:5. What is the degree measure of one of the two obtuse angles of the parallelogram?
Original LaTeX notation
The ratio of two interior angles of a parallelogram is $4:5$. What is the degree measure of one of the two obtuse angles of the parallelogram?

level

Level 2

type

Geometry

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