(x^2 + 3)(5x + 9)
5x^3 + 9x^2 + 15x + 27
Answer:
285 words
Step-by-step explanation:
the angles the top part that has a square is 90⁰ and x and y are equal so we will name them both x and all angles together make 180⁰
I don't know about the sides
Step-by-step explanation:
90+x+x=180
2x=180-90
2x=90
x=90/2
x=45