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The sides of a regular octagon are extended to form a star. Find the measure of the internal angle at each point of the star.

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Important Questions on Measurement

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Quantitative Aptitude for the CAT>Chapter 4 - Measurement>Practice Exercises>Q 30
Let ABCDEF be a regular hexagon. What is the ratio of the area of the triangle ACE to that of the hexagon ABCDEF?
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Quantitative Aptitude for the CAT>Chapter 4 - Measurement>Practice Exercises>Q 31
The sides of a triangle are in the ratio of 12:13:14. If its perimeter is 52 cm, the length of the smallest side is:
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Quantitative Aptitude for the CAT>Chapter 4 - Measurement>Practice Exercises>Q 33

A triangle and a parallelogram are constructed on the same base such that their areas are equal. If the altitude of the parallelogram is 100 m, then the altitude of the triangle is:

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Quantitative Aptitude for the CAT>Chapter 4 - Measurement>Practice Exercises>Q 41
The ratio of the area of a square to that of the square drawn on its diagonal is:
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Quantitative Aptitude for the CAT>Chapter 4 - Measurement>Practice Exercises>Q 42
An equilateral triangle had 7 cm long sides. Equal circles were drawn about the three vertices of the triangle, so that each circle touched the other two. Calculate the area of space enclosed between these circles.
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Quantitative Aptitude for the CAT>Chapter 4 - Measurement>Practice Exercises>Q 1
The angles of a triangle are in the ratio 4 : 1 : 1. Then the ratio of the largest side to the perimeter is
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Quantitative Aptitude for the CAT>Chapter 4 - Measurement>Practice Exercises>Q 3
Three identical cones with base radii r are placed on their bases so that each is touching the other two. The radius of the circle drawn through their vertices is
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Quantitative Aptitude for the CAT>Chapter 4 - Measurement>Practice Exercises>Q 88
Four horses are tethered at four corners of a square plot of side 14 m so that the adjacent horses can just reach one another. There is a small circular pond of area 20 m2 at the centre. Find the ungrazed area.