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Understanding Quadrilaterals

Question
CBSEENMA8001948
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How many diagonals does each of the following have?

(a) A convex quadrilateral
(b) A regular hexagon
(c) A triangle

Solution

Solution:

Some More Questions From Understanding Quadrilaterals Chapter

Find the measure of each exterior angle of a regular polygon of (i) 9 sides (ii) 15 sides

How many sides does a regular polygon have if the measure of an exterior angle is 24°?

How many sides does a regular polygon have if each of its interior angles is 165°?

Question 5. (a) Is it possible to have a regular polygon with measure of each exterior angle is 22°?

 (b) Can it be an interior angle of a regular polygon? Why? 

(a) What is the minimum interior angle possible for a regular polygon? Why? (b) What is the maximum exterior angle possible for a regular polygon?

ake two identical set squares with angles 30°-60°-90° and place them adjacently to form a parallelogram as shown in Figure. Does this help you to verify the above property?

Take two identical 30°-60°-90° set-squares and form a parallelogram as before. Does the figure obtained help you to confirm the above property?

After showing m∠R = m∠N = 70°, can you find m∠I and m∠G by any other
method?

Given a parallelogram ABCD. Complete each statement along with the definition or property used.

Consider the following parallelograms. Find the values of the unknowns x, v, z.

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