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Roman55 [17]
3 years ago
10

WILL GIVE BRAINIEST

Mathematics
1 answer:
Margarita [4]3 years ago
8 0

Answer:

x = 135º

Step-by-step explanation:

Sum of angles in a triangle is 180

A = 180 - 66 - 69

A = 45º

--------------------

Supplementary angles  total 180

x = 180 - 45

x = 135º

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The perimeter of a triangle with two equal sides is 50 cm. If its base were lengthened by 3 cm and each leg were shortened by 4
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Answer:

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Step-by-step explanation:

Let base of triangle be x  

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according to the question

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then both are equal

   that is x+3 = y-4

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6 0
3 years ago
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Answer:

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Step-by-step explanation:

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