Question

maths sum solve by pic​

Answer 1

Answer:

EG = 90°

FD = 78°

EF = ---

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Answer 2

Step-by-step explanation:

Here set GF perpendicular to ED

(GF)2 = EG × GD

(12)2 = EG × 8

144 = EG × 8

144/ 8 = EG

EG = 18

_______

in ∆ DGF

By Pythagoras theorem

(DF)2 = (GD)2 + (GF)2

(DF)2 = (8)2 + (12)2

(DF)2 = 64 + 144

(DF)2 = 208

taking square root

(DF) = √2×2×2×2×13

DF = 2×2×√13

DF = 4√13

_________

in ∆FGE

by Pythagoras theorem

(EG)2 = (gf)2. + (ef)2

(18)2 = (12)2 + (EF)2

324 = 144 + (EF)2

324-144 = (EF)2

(EF)2= 180

taking square root

(EF) = √2×2×3×3×5

EF = 2×3×€√5

EF = 6√5