Question

please solve these for me

Answer 1

a)87×2/15=11.6cm
b)1256×20/314=80mm
c)1705×2/220=15.5cm
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Answer 2

Answer:

area of triangle = 1/2 x base x height

let the height be 'y' and base be 'x'

therefore, y={ar(triangle) x 2}/ 'x'

x={ar(triangle) x 2}/ 'y'

so,

(i)height = (87x2)/15 = 11.66

(ii)base= (1256x2)/31.4= 80

(iii)height= (170.5x2)/22= 15.5

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Step-by-step explanation: