Answer:
Length of other board metres
Step-by-step explanation:
Given: Length of board = metres
Length of board was divided into two.
Length of one piece = metres
Let = length of the other board
Length of the other board = Length of board - Length of one piece
So,
Thus, length of the other board metres
Answer:Diameter
Step-by-step explanation:The diameter is how far away one point on a circle is from another point straight across on a circle.
AC = 12 units.
Δ ACD is right-angled. ( as CD ⊥ AB).
cos 45° = CD / AC = 6√2 / AC
AC = 6√2 / cos 45°
AC = 6√2 / 1 /√2
= 6√2 *√2
= 6 * 2
= 12 (answer)
HOPE THIS HELPED ;3