Answer:
The correct choice is D
Step-by-step explanation:
Value of X=20 and then to know the value of y we need to add
52+52= 104
360-104= 256
256÷2= 128
Y=128
C..............................................................
Answer:
Step-by-step explanation:


Hence lake will never be free of pesticide.
Answer:
It is an acute triangle because all the angles are less than 90 degrees.