Question

Please help me :D
4. A square has two diagonals.

A. Given
B. unfounded
C.Definition of an octagon
D. The number of diagonals is (n-3)n/2, where n is the number of sides, which is 4 for a square.
E. 1267200 inches
F. Definition of supplementary angles

5. If the diameter of the circle is 12, the radius must be 6.

A. Definition of radius
B. 1267200 inches
C.Definition of an octagon
D. Definition of supplementary angles
E. unfounded
F. Given

Answer 1

number 4 =D
try it out it sorks for other shapes, so guess it must be the right one =/
number 5 = A

Because we define a radius and diameter like this it must be the answer

Answer 2

thanks