Question

slove 3rd question pls I give you 50 points but don't give the wrong answer warna report kar duga​

Answer 1

Step-by-step explanation:

A:D=3:2

B:C=4:5

So A=3x

B=4y

C=5y

D=2x

A+D=180(opposite angle sum)

B+C=180(opposite angle sum)

A+D=5x=180

X=36

B+C=9y=180

y=20

A=36×3=108

B=4×20=80

C=5×20=100

D=36×2=72

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Answer 2

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1.) one non-parallel side of isosceles trapezium=4 cm.

other non parallel side=4 cm

(non parallel sides of isosceles trapezium are equal )

2.)a and d together will be 180

3x+2x=5x=180 x=180/5=36

108 and 72

b and c together will be of 180

4x+5x=180

9x=180 x=180/9=20

80 and 100

the sum will be 180 of pairs because they are on one side of transversal which will cut parallel lines

3.)

$a = \frac{P}{4} = \frac{14.4}{4} = 3.6 \: cm$

4.)area = 1/2 x product of diagonals so area = 1/2 x 30 x16 = 240 cm? = also diagonals bisect each other at right angles so 1/2x30= 15cm,1/2x16=8cm

therefore by Pythagoras theorem, 152 + 82 = side? V289 = side

side = 17 cm

thus perimeter = 4 x 17 = 68 cm

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