I think its 4910.00 you can't make a whole number a decimal.
Work is provided in the image attached.
Hi there!
Since triangle RST is stated with the sides in order (R is connected to S, which is connected to T, which is then connected to R), the side between R and S is T.
Hope this helps!
84 ÷ 2 = 42
Check it to make sure.
2 × 42 = 84
42 and 2 can be multiplied to get 84.