Answer:
11.2
Step-by-step explanation:
First draw an imaginary straight line to separate the two shapes.
You will have a side of 10 in the traingle
And a side of 13 - 8 =5
Then
Using pythagoras theorem
Sqrt(10^2+5^2)=11.180
..... 40.5 ...............
The key is to cross 1 number from both sides till you get to the middle last number so the answer is 4
You already know what it is cuh
