Answer:
89percent
Step-by-step explanation:
i am not good at math but what ever
The properties that equilateral triangles and isosceles triangles have in common is that they have two equal sides.
<h3>What is a
triangle?</h3>
A triangle is a polygon that has three sides and three angles. Types of triangles are<em> isosceles, equilateral </em>and<em> scalene</em> triangle.
An equilateral triangle is a triangle that have three equal sides while isosceles triangle have two equal sides.
The properties that equilateral triangles and isosceles triangles have in common is that they have two equal sides.
Find out more on triangle at: brainly.com/question/17335144
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Answer:
angle Y= 60 degrees
Step-by-step explanation:
angle S + angle Y = 90 degrees because they are complementary
Y = 90 - S
angle S = 4(Y)-210
substitute for Y
S = 4(90 - S) - 210
S = 360 - 4S - 210
reduce
5S = 150
S = 30
Y = 90 - 30 = 60
2. Both have the variable of x
