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the angels are 60°,70°,50°.
Step-by-step explanation:
let the angels be 5x 6x and 7x
sum of angels =180°
5x+6x+7x=180
18x=180°
x=180/18
x=10°
putting the value of x we get
6×10=60°
7×10=70°
5×10=50°
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Answer:
82) 75:100 = 15:20 = 3:4
83) 6x + 7x + 5x = 180⁰
18x = 180⁰
x = 10⁰
angles are 6×10 = 60⁰
7×10 = 70⁰
5×10 = 50⁰
84) in triangle ACD congruent BCD
AC = BC(Given)
AD = BD(Given)
BD = BD (common)
using SSS RULE
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