Find the measure of angle D, and the perimeter and area of parallelogr

1.	Find the measure of angle D, and the perimeter and area of parallelogram ABCD. Parallelogram A B C D is shown. Side A B is 17 centimeters. Side A D is 20 centimeters. Angle A is 28 degrees. The height is 8 centimeters.
Answer» Answer: D=152° Step-by-step explanation: Actually, we don't require measurements for such problems. Here ABCD is a PARALLELOGRAM and we know that line AB and CD are parallel where AD is a transversal so the ANGLES A and D is co-interior , Co-interior angles are SUPPLEMENTARY or the sum of their angles is 180° A+D = 180° D=180°-A we know A=28° D=180°-28° angle D =152°

Find the measure of angle D, and the perimeter and area of parallelogram ABCD. Parallelogram A B C D is shown. Side A B is 17 centimeters. Side A D is 20 centimeters. Angle A is 28 degrees. The height is 8 centimeters.

Answer»

Answer:

D=152°

Step-by-step explanation:

Actually, we don't require measurements for such problems.

Here ABCD is a PARALLELOGRAM and we know that line AB and CD are parallel where AD is a transversal so the ANGLES A and D is co-interior , Co-interior angles are SUPPLEMENTARY or the sum of their angles is 180°

A+D = 180°

D=180°-A

we know A=28°

D=180°-28°

angle D =152°

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Find the measure of angle D, and the perimeter and area of parallelogram ABCD. Parallelogram A B C D is shown. Side A B is 17 centimeters. Side A D is 20 centimeters. Angle A is 28 degrees. The height is 8 centimeters.

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