Question

The parallel sides of a trapezium are 25 cm and 11 cm, while its nonparallel sides are
15 cm and 13 cm. Find the area of the trapezium.​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Take a point e on sideAB and join C to E such that CE parallel AD

now, CE parallel AD and AB parallel CD =AE parallel CD

so AECD is a parallelogram

AD =EC 15 cm

CD =AE =11 cm

BE =14cm

let a =15, b=13 c =14

s =a+b+c /2

so s =21cm

area triangle ABC =84 cm

draw CF perpendicular AB area triangle ABC =1/2×EB×CF =7CF

THEN, 7CF =84

CF =12

AREA trap.ABCD =1/2×36×12=216 Sq. cm