Answer:
A rectangle is a quadrilateral that has congruent diagonals. The rectangle is a convex quadrilateral because of two diagonals which lie in the interior of the rectangle.
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Answer:
110°
Step-by-step explanation:
The total of the ratio units is 11 +2 +5 = 18. These stand for the total of angles, 180°, so each ratio unit stands for 180°/18 = 10°.
The largest angle is 11 ratio units, or 11×10° = 110°.
Answer:
y = 
Step-by-step explanation: