(MathCounts 2007)What is the measure of angle D? ( see details in the description )

(MathCounts 2007)What is the measure of angle D? ( see details in the description )

(MathCounts 2007)In convex pentagon ABCDE, angles A, B, and C are congruent, and angles D and E are congruent. If the measure of angle A is 40 degrees less than the measure of angle D. What is the measure of angle D?

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(MathCounts 2007)What is the measure of angle D? ( see details in the description )
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