Answer:
investment=£3000
Step-by-step explanation:
let ; principal amount (investment)=p ,
simple interest = p*t*r/100
£3300-p=p*1*10/100
(3300-p)100/10= p
33000-10p=p
33000=11p
33000/11 = p
£3000=p
let's call the red triangle R, and the blue triangle B.
big/small
2.5/1.75 = 1.43 (rounded)
1.6/1.12 = 1.43 (rounded)
<u>missing side:</u> 2.35 x 1.43 = 3.36
sinB=p/h
sin45=8/y
1/√2=8/y
y=8√2in
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