Advertisements
Advertisements
Question
In Fig. 16.19, ABCD is a quadrilateral.
Name a pair of adjacent angles.

Advertisements
Solution
\[ \text{ (∠A, ∠B) or (∠B, ∠C) or (∠C, ∠D) or (∠D, ∠A) } \]
RELATED QUESTIONS
In Fig. 16.19, ABCD is a quadrilateral.
How many pairs of opposite sides are there?

Complete the following statement by means of one of those given in brackets against each:
If in a quadrilateral only one pair of opposite sides are parallel, the quadrilateral is ................
If the bisectors of two adjacent angles A and B of a quadrilateral ABCD intersect at a point O such that ∠C + ∠D = k ∠AOB, then find the value of k.
One diagonal of a rectangle is 18 cm. What is the length of its other diagonal?
D and E are the mid-points of the sides AB and AC respectively of ∆ABC. DE is produced to F. To prove that CF is equal and parallel to DA, we need an additional information which is ______.
Using the information given, name the right angles in part of figure:
AE ⊥ CE

Using the information given, name the right angles in part of figure:
OP ⊥ AB

An angle is said to be trisected, if it is divided into three equal parts. If in the following figure, ∠BAC = ∠CAD = ∠DAE, how many trisectors are there for ∠BAE?

Draw a rough sketch of a quadrilateral KLMN. State two pairs of opposite angles.
Which of the following is a key requirement for correctly naming a □ABCD?
