According to geometry, a quadrilateral is a covered, two-dimensional form that has 4 direct facets. In addition, the polygon has 4 vertices or corners.
Quadrilaterals commonly suggest authorized paperwork with 4 facets like rectangle, square, Trapezoid, kite, or choppy and uncharacterized.
Quadrilaterals are one kind of polygon that has 4 facets and 4 vertices, and 4 angles alongside 2 diagonals. There are diverse styles of quadrilaterals.
Types of Quadrilaterals
The class of quadrilaterals depends on the character of aspects or angles of a quadrilateral, and they're as follows:
Trapezium: A trapezium is a quadrilateral having parallel facets of the unequal period, and the alternative facets are non-parallel.
Kite: A kite is a quadrilateral whose 4 facets may be grouped into pairs of identical-period facets adjoining to every other.
Parallelogram: A parallelogram is an easy quadrilateral with pairs of parallel facets.
Square: A rectangular is a normal quadrilateral; it has 4 identical facets and 4 identical angles.
Rectangle: A rectangle is a quadrilateral with 4 proper angles. A rectangle with 4 facets of the identical period is rectangular.
Rhombus: A rhombus is a quadrilateral whose 4 facets have an equal period. Another call is equilateral quadrilateral because, in an equilateral manner, each one of its facets is identical in the period.
Learning Videos for 8th Grade Math - Understanding Quadrilaterals
Understanding Quadrilaterals Sample Questions for Class 8
Question 1
What is the missing side length of a right triangle, given that one leg is 5 cm long and the other leg is 12 cm long?
A. 13 cm
B. 10 cm
C. 5 cm
D. 169 cm
Question 2
Figure 2 correctly reflects the triangle in Figure 1 over the line.Figure 1Figure 2
A. True
B. False
Question 3
Two lines are perpendicular to each other and intersect at point A. One of the lines is rotated 45 deg clockwise about point A, while the other is rotated 45 deg counter-clockwise about point A. The lines are now parallel.
A. True
B. False
Question 4
Find the measure of one angle of the following polygon.