HELP ME GUYS IT'S REALLY URGENT Diagram shows a circle with centre O. Given that the length of OK is 5 cm. Find the area of the shaded region. [Use pi = 22/7]
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In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.