Question

In XYZ, X and Y are equal and Z is
78°. Find the measures of X and Y.​

Answer 1

Answer:

both are 51 degree each

Step-by-step explanation:

we know angles x=y (isosceles condition and also given)

angle x+y+z=180 degree (angle sum property)

x+y+78=180 degree

x+x+78=180 degree ( x=y)

2x+78=180

2x=180-78

2x=102

x=51 degree

therefore angle x and y are 51 degrees

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