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castortr0y [4]
3 years ago
12

How do I solve this?

Mathematics
1 answer:
nikitadnepr [17]3 years ago
7 0

Answer:

x=60° , y=30° , z= 75°

Step-by-step explanation:

note...an equilateral triangle has the same angles all equal to 60°. so based on this x is 60°

the angle next to y is on a straight line therefore

60 +y =90

y=90-60

y=30°

the triangle with the y and z angles is an isosceles triangle...so the base angles must be equal

z+z+30=180

2z+30=180

2z=180-30

2z=150

\frac{2z}{2} =  \frac{150}{2}

z=75°

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