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(1) 42
(2) 9-4+2-5 abc {taking all numbers together and adding}
(3) third angle is 60°
68+52+ third angle = 180°
sum of all angles of ∆ is 180°
(8) perimeter is 18.8
as perimeter of square = 4× side =4×4.7 =18.8 cm
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(2) 9-4+2-5 abc {taking all numbers together and adding}
(3) third angle is 60°
68+52+ third angle = 180°
sum of all angles of ∆ is 180°
(8) perimeter is 18.8
as perimeter of square = 4× side =4×4.7 =18.8 cm
Make it Brainliest
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