Types of Quadrilateral
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In this section we will discuss different types of quadrilateral.
It is a closed figure formed by 4 line segments.There are different kinds of quadrilateral,they are as follows :
Sum of all the angles of a quadrilateral is always 3600
Find the measure of the ∠A in the accompanying diagram, if ∠B = 1060
∠C = 600
and ∠D = 680
. Give reasons for your answer.
∠A + ∠B + ∠C + ∠D = 3600
[ Angles sum of a quadrilateral = 3600
∠A + 106 + 60 + 68 = 360
∠A + 234 = 360
∠A = 360 - 234
∠A = 1260
Definitions of Different kinds of Quadrilaterals
: A parallelogram is a quadrilateral where each pair of opposite sides are parallel.(AB || DC and BC || AD)
: A rectangle is a parallelogram in which each angle is 900
3) Square :
A square is a parallelogram with all sides equal and all angles are 900
4) Rhombus :
Rhombus is a parallelogram with all sides equal and parallel.
5) Trapezoid :
It is a quadrilateral with only one pair of parallel sides. AB || CD. If non parallel sides (AD = BC) are equal then the trapezoid is called Isosceles Trapezoid.
6) Right-angled trapezoid:
A right-angled is a trapezoid with two right angles. The following is a right-angle trapezoid.
6) Kite :
A quadrilateral is a kite,if it has two pairs of equal adjacent sides and unequal opposite sides.
• Introduction to Quadrilateral
• Types of Quadrilateral
• Properties of Quadrilateral
• Parallelogram and its Theorems
• Rectangle and its Theorems
• Square and its Theorems
• Rhombus and its Theorems
• Trapezoid (Trapezium)and its Theorems
• Kite and its Theorems
• Mid Point Theorem
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