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https://drive.google.com/file/d/18JUlO1z_GEMLHAL3oQ55oh8daLB02aEu/view?usp=drivesdk The question is in the image above in link please someone solve it

Posted by Satyam Kumar 5 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Satyam Kumar 5 years, 4 months ago

Factorise a^2+a+1/4-a-1/2

0Thank You

Gaurav Seth 5 years, 4 months ago

bac = y as they are corresponding angles since ac is parallel to de
then,
cda=90 (as my assumption) cdg+y+25=90

cdg+20+25=90; cdg=45
cdg+20 i mean 45 +20 =65=acd (alternate angles)

x+acd=180 (linear pair)
x+65=180
x=115

1Thank You

ANSWER

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CBSE > Class 09 > Mathematics