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Find x+y+z+w.

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Find the number of positive unequal integral solutions of the equation x+y+z+w=20 .

Find the angle between the lines: x-2y+z=0=x+2y-2z and x+2y+z=0=3x+9y+5z .

Find the angle between the following planes 2x-y-z=6 and x+y+2z=7

Find equation of angle bisector of plane x+2y+3z-z=0 and 2x-3y+z+4=0 .

Find the equation of the plane through the line of intersection of the planes: x+3y-z+1=0 and x+y-2z+3=0 and perpendicular to the plane 3x-y-2z-4=0

Find the equation of the plane through the intersection of the planes x+y+z=1 and 2x+3y+4z=5 which is perpendicular to the plane x-y+z=0

Consider the planes 2x+y+z+4=0, and y-z+4=0 Find the angle between them

Find the number of solutions of x + y + z + w = 20 under the following conditions:(i) zero values of x,y,z,w are included.

If [(xy,4),(z+6,x+y)] = [(8,w),(0,6)] , write the value of x + y + z.

Find the totoal number of distnct or dissimilar terms in the expansion of (x + y + z + w)^(n), n in N

MBD-UNDERSTANDING QUADRILATERALS-EXAMPLE
  1. Find the angle measure x in the following figures.

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  2. Find x+y+z.

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  3. Find x+y+z+w.

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  4. Take a regular hexagon. What is the sum of measure of its exterior ang...

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  5. Take a regular hexagon. Is x = y = z = p = q = r ?Why ?.

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  6. Take a regular hexagon. What is the measure of each ? exterior angle.

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  7. Take a regular hexagon. What is the measure of each ? interior angle.

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  8. Take a regular hexagon. Repeat this activity for the cases of regula...

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  9. Take a regular hexagon. Repeat this activity for the cases of a regul...

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  10. Find x in the following figures.

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  11. Find x in the following figures.

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  12. Find the measure of each exterior angle of a regular polygon of 9 sid...

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  13. Find the measure of each exterior angle of a regular polygon of 15 si...

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  14. How many sides does a regular polygon have if the measure of an exteri...

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  15. How many sides does a regular polygon have if each of its interior ang...

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  16. Is it possible to have a regular polygon with measure of each exterior...

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  17. Can 22∘ be an interior angle of a regular polygon ? Why ?

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  18. What is the minimum interior angle possible for a regular polygon? Why...

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  19. What is the maximum exterior angle possible for a regular polygon?

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  20. Find measure x in the following figure.

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