mirror formula questions

A line is parallel to its image under reflection by a mirror. The angle at which the line is inclined to the mirror is => 30 o or 0 o or 90 o or 45 o..

What is the measure of the angle between the mirrors for this kaleidoscope image? => 45 or 90 or 60 or 180..

A mirrored plane has 4 sides of equal length. Find the area if its perimeter is 72 cm. => 329 square cm or 334 square cm or 216 square cm or 324 square cm..

A school hallway has a long row of lockers. Every sixth locker contains a package of chewing gum, every eighth locker contains a mirror, and every ninth locker, a hockey stick. If the first locker contains all the three items, which is the next locker to contain all three items again? => ..

The area of a rectangular mirror of dimensions a in. long and ( a - 12) in. wide is 364 square in. Find the dimensions of the mirror. => 25 in., 13 in. or 26 in., 14 in. or 27 in., 15 in. or 28 in., 16 in...

The reflection of the letter A in a mirror is also A . How many three-lettered combinations of such similar reflections of letters is possible? => 1331 or 2600 or 2100 or 1247..

Choose the graph for the inverse function of the given function y = x 3 + 1 (By using mirror method.). => Graph-C or Graph-A or Graph-B or None of the above..

The definitions of symmetries of a tessellation are given. Identify the incorrect statement. => If a figure is reflected about that vector and the image remains unchanged then it is called glide reflection. or If an object is translated by some vector and the image remain unchanged then it is calle..

Choose the formula which is not a function. => x = 2 + y or y = x + 5 or y = x 2 or x = 2 y 2..

Which of the following formulas is incorrect? => Speed = distance / time or Speed = distance x time or Distance = speed x time or Time = distance / speed..