3 years ago

ABCD is a rectangle. Angle D = 3x + 20 + 7x - 3x. Solve for x

Mathematics

1 answer:

Elodia [21]3 years ago

4 0

Answer:

angle D equal to 3 X + 20 + 7 x minus 3 x

=90 degree equal to x minus 3 X + 20

7 X equal to 70 X equal to 10

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