X+y=57
y=x+15
x+x+15=57
2x=42
x=21
y=21+15
y=36
28%
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Answer:
A. All squares are rectangles because both are quadrilaterals, have 90-degree angles and the opposite sides are parallel.
Step-by-step explanation:
This is the only true statement because all squares are rectangles just with equal sides, the angles will always be 90-degrees.
Hope this helps!
If not, I am sorry.
(3x + 1) + (4x - 17) + (5x - 20) = 180
12x - 36 = 180
12x = 216
x = 18
angle a = 55
angle b = 55
angle c = 70
This is an acute isosceles triangle.
Answer:
2:7
Step-by-step explanation:
4+10=14
The least common factor is 2.
4/2=2
14/2=7
