Question

sides are there? Name them.
PPOsite sides are there? Name theni.
ngles are there? Name them.
angles are there? Name them.
[VI
UT
de angles of a quadrilateral is 360°
and 108". Find the measure
e measure of each
eral are in the ratio 3:5 : 7 : 9. Find the measure of
measure of
ute angles, each measuring 75°. Find the measure
de is 120°.
2. In the adjoining figure, ABCD is a quadra
i) How many pairs of adjacent sides are
{if How many pairs of opposite si
(1) How many pairs of adjacent angics
(iv) How many pairs of opposite angles are
How many diagonals are there? Name them.
3. Prove that the sum of the angles oi
4. The three angles of a quadrilateral are
fourth angle.
5. The angles of a quadrilateral are in the re
these angles.
6. A quadrilateral has three acute angles, each
fourth angle.
7. Three angles of a quadrilateral are equal and the measure of the fourth angle is 120 find
the measure of each of the equal angles.
8. Two angles of a quadrilateral measure 85 and
equal. Find the measure of each of these equal
9. In the adjacent figure, the bisectors of LA and 2
I1 ZC = 100° and ZD = 60°, find the measure o
Hint. 60°+100°+ZA+ZB = 360° = ZA + B = 200
ZA + 2B = 100°
22
ZBAP + LABP = 100°.
But, ZBAP + ZABP + ZAPB = 180º (why?)
Now, find LAPB.
are equal and the measure of the fourth angle is 1
po angles and
teral measure 85° and 75° respectively. The other two ang
B meet in a point P.
60°
tors of ZA and​

Answer 1

Answer:

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