Answer:
90 degree angle.
Step-by-step explanation:
Right triangles must have a 90 degree angle or it is not a right triangle.
Answer:
50.24 inches
Step-by-step explanation:
3.14 * 16
= 50.24
Answer:
Step-by-step explanation:
(2x+1)^2+(2x^2+2x)^2=
(2x+1)^2=4x^2+4x+1
(2x^2+2x)^2=4x^4+8x^3+4x^2
4x^2+4x+1+4x^4+8x^3+4x^2=4x^4+8x^3+8x^2+4x+1
(2x^2+2x+1)^2=4x^4+8x^3+8x^2+4x+1
4x^4+8x^3+8x^2+4x+1=4x^4+8x^3+8x^2+4x+1