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Find the perimeter of the triangle that will be formed by joining the centers of 3 tangents circles (externally) with radius of 8 cm,12cm and 15 cm respectively?​

Find The Perimeter Of The Triangle That Will Be Formed By Joining The Centers Of 3 Tangents Circles Externally With Radius Of 8 Cm12cm And 15 Cm Respectively class=

Sagot :

[tex]\large\rm{ANSWER:}[/tex]

  • P = 70cm

[tex]\large\rm{SOLUTION:}[/tex]

Looking at the image above,

the measures of the sides of triangle would be

  • a = 8 + 15 = 23cm
  • b = 8 + 12 = 20cm
  • c = 12 + 15 = 27cm

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The perimeter of triangle is

  • P = a + b + c
  • P = 23 + 20 + 27
  • [tex]\boxed{ \mathsf{P\:=\:70cm}}[/tex]
View image Аноним