PhyllisA447961 PhyllisA447961

29-10-2022
Mathematics

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can you help me understand. Find the value of x in the triangle

can you help me understand Find the value of x in the triangle class=

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IrelyN340668 IrelyN340668

29-10-2022

The sum of the interior angles of a triangle is 180, so in order to find x we will have the next equation

78+x+x=180

we sum like terms

78+2x=180

then we isolate the x

2x=180-78

x=102/2

x=51

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