Answer:
Upendrakishore Roy Chowdhury; 12 May 1863 – 20 December 1915) was a Bengali writer and painter. He was the first person who introduced the colour printing in bangal. He started the first color children's magazine Sandesh in 1913.
Step-by-step explanation:
history ig
200
let ∠GEF=x
then ∠GFE=90-x
2a - 7 - 6a = 9
- 4a - 7 = 9
- 4a = 16
a = -4