2 years ago

90° Find mZR. A. 30° B. 60° C. 120° D. 180° (2x) to P 90° S

Mathematics

2 answers:

svp [43]2 years ago

7 0

Answer:

120°

Step-by-step explanation:

Angles in a quadrilateral add to 360°, so

90+90+x+2x=360

180+3x=360

3x=180

x=60

So, angle R measures 120°.

Monica [59]2 years ago

4 0

The correct would be 120°

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