johnnv johnnv
  • 22-12-2020
  • Mathematics
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paradigmic
paradigmic paradigmic
  • 22-12-2020

Answer:

Step-by-step explanation:

Top triangle:

The hash marks indicate congruence. So, x is congruent to 15 or x= 15

x+6= 21

The length of the sides of this triangle are 15,15, and 21.

Two sides are congruent so isosceles.

Bottom triangle:

The sum of the angles in a triangle is 180.

30+35+x=180

75+x=180

x=105

105> 90, so this is an obtuse triangle.

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Аноним Аноним
  • 22-12-2020

Answer:

Step-by-step explanation:

Top triangle

good luck God bless merry Christmas and happy new year and stay safe and good luck in life! God bless y’all! :)

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