Question

D
.. ABCD is a trapezium in which AB | DC and AD = BC. If CE is drawn parallel
to AD meeting AB at E, prove the following:
(a) AECD is a parallelogram
(b) AD = EC
(c) triangle CEB IS an isocles trisngle​

Answer 1

Answer:

b one is the rite answer plise give mi heart and like

Answer 2

Answer:

We can see that, BC=

2

20−10

=5 as non-parallel sides are congruent

Now, in △ABC

AB

2

+BC

2

=AC

2

⇒AB=

13

2

−5

2

=

144

=12

Now, Area of trapezium =

2

10+20

∗12=180 cm

2