Diagonals: Calculation of the diagonal using properties

Look at the following rectangle:

BD = 17

Calculate the length of the diagonal AC.

17

Given the following rectangle:

O is the intersection point of the diagonals.

Given: BO=5

Calculate the length of the diagonal BD.

10

Look at the following rectangle:

O is the intersection point of the diagonals of the rectangle.

AO = O

D = 6.5

Calculate the length of the diagonal AC.

13

Look at the following rectangle:

O is the intersection point of the diagonals.

BO = 5

Calculate the length of the diagonal AC.

10

Look at the following rectangle:

AD = 3

AB = 4

Calculate the length of the diagonal AC.

5

Look at the following rectangle:

AB = 12

AC = 13

Calculate the area of the triangle BCD.

30