Answer:
option D
Step-by-step explanation:

equation 2:

so we have:

Answer:
It is probably 6 inches wide. I tried my best
Step-by-step explanation:
Answer:
78
Step-by-step explanation:
∠A + ∠B + ∠C = 180 { Angle sum property of triangle}
42 + ∠B + 60 = 180
∠B + 102 = 180
∠B = 180 - 102 = 78
In similar triangles, corresponding angles are congruent.
∠S ≅ ∠B
∠S = 78°
Answer:
15(2) + x(2)= perimeter
Step-by-step explanation: