4. The base of a painting on a wall is a feet above the eye of an observer. The vertical side of the painting is b feet long. How far from the wall should the observer stand to maximize the angle that the painting subtends?

Q: 5. A 30.2 m long escalator rises 10.3 m. What is its angle of elevation, to the nearest degree?

A:

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A: The circumference of a circle is  2·π·r where r is the radius of the circle.   Radius of the circle=…

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A: The intensity of illumination is given by  Where θ is the angle of incidence and d is the distance…

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A: We have to find the angle of depression of a plane after reaching a height of 203m if its horizontal…

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A:

Q: A photographer is capturing the ornamental front of a Building. He wants the two ends of the front…

A:

Q: Find the angle of elevation of the top of a 50 m tall building measured at a point situated on the…

A:

Q: 4. To estimate the height of a radio tower, Jody steps 25 feet away from the center of the tower's…

A: Formula used-  tanx= perpendicular/ base  tan(90-x) = cotx

Q: Your school is organizing a carnival. You are building a ramp for a game. The surface of the ramp…

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Q: A wheelchair ramp that is 40-feet long has a vertical increase of 4 feet. What angle does the ramp…

A:

Q: Four-sided Polygons 3 4 2.

A:

Q: State the similarities and differences of kite and trapezoid.

A: Given data÷

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A:

Q: "An extension ladder, which is 65 m long, rests on top of a hook-and-ladder truck. The base of the…

A:

Q: From your balcony 8 feet high, you see a child across the street. The angle of depression to the…

A:

Q: 7. Draw equal perpendicular lines to show the image of the object formed in the diagram below.

A: Given for the given figure

Q: A screen has a diagonal of 65 inches and a width of 60 inches.  What is the aspect ratio?  Show your…

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Q: picture of a 4 feet vase standing on a 3 feet pedestal. She wants to position the camera at point c…

A: To find the distance between camera and foot of pedestal.

Q: Albie is sitting in a classroom and sees a picture on the black board at a height of 1.5 m from the…

A:

Q: A person is sitting watching TV. What is the height of the entire screen (in grey shadow)?

A: