Answer:
56
Step-by-step explanation:
Right angle triangle goes to 15m, 8m, 17m
Square root of 15^2 + 8^2 is 17
(The use of a^2 + b^2 = c^2 - Pythagoras's Theorem)
So, 10m ,11m ,15m isn't a right angle triangle
Hope this helps!
I think the second one does
-3=(1/2)(2)+3
