Answer:
90°
Step-by-step explanation:
because by bisecting the angle, you are going through the centre in this triangle. Splitting to triangle in half gives two right-angled triangles :)
sorry for bad drawing
R/9 = -21
Multiply by 9
r = -189
Answer:

Step-by-step explanation:
Given

Required
Solve
First, convert 180lb to kg


-- to 1dp
Next, convert 12oz to kg


--- to 1 dp
So, the expression becomes:



Hence:

25 because $518 ( their total ) divided by $21 ( the amount for EACH uniform) is 24.6 which isn’t possible so round it to 25