Answer:
Step-by-step explanation:
Given
Required
Determine the missing angles
Since AB = AD, then:
--- Base angles of an isosceles triangle
Hence:
--- angles in a triangle
Collect Like Terms
--- angle on a straight line
Since ABC is isosceles, then:
--- base angle of isosceles
Lastly:
<em>See attachment</em>
I. xy + 2y=3 Not linear equation because is grade 2 equation (xy).
II. x-2y = y Are linear equations in two unknowns (x and y).
III. 3x + 2y = 5 Are linear equations in two unknowns (x and y).
<h2>
Corect ansver: C) II and III only</h2><h2>
</h2>
.
Rectangle= 4 sides
Trapezoid= 4 sides
Triangle= 3 sides
hexagon= 6 sides
octagon= 8 sides
polyhedron-=10 sides i believe
The correct answers are a,b,e,f
Answer:
C
Step-by-step explanation:
y-9=6 y-9=-6
+9 +9 +9 +9
y=15 y=3
