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Write two equivalent expressions to represent the sum of the angles of this triangle.

please help I can't remember how find the sums of a triangles angles
100 points

Write two equivalent expressions to represent the sum of the angles of this triangle please help I cant remember how find the sums of a triangles angles 100 poi class=

Respuesta :

Answer:

Step-by-step explanation:

The 3 angles add up to 180 degrees

2y + 2y + 5y = 180

9y = 180

DᴀʀᴋPᴀʀᴀᴅᴏx

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

As we know, Sum of all three Angles of Triangle is equal to 180° [ by Angle sum property of triangle ]

So, the required expression is :

[tex]\qquad \tt \dashrightarrow \:5y + 2y + 2y = 180[/tex]

or

[tex]\qquad \tt \dashrightarrow \:9y = 180[/tex]

if you solve for y, you will get y = 20°

And the angles as 100°, 40° and 40°

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