3 years ago

What's the value of X

Mathematics

1 answer:

ss7ja [257]3 years ago

3 0

Since the triangle is isosceles we know that angle a is equal to angle c.

8y-7=73

8y=80

y=10

We also know that the sum of the interior angles in any triangle is 180 degrees.

73+73+6x+4=180

150+6x=180

6x=30

x=5

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