we know that
the surface area of the top of the water
is calculated with the formula of the area of a circle

Step 1
Find the radius of the water tank in the middle of the tank
by proportion

so
For h=5 m
the radius is equal to r=1.5 m
Step 2
Find the surface area


therefore
the answer is
the surface area of the top of the water is 
Answer: (A) sacroiliac joints
Explanation:
Reactive arthritis can be define as a condition which is associated with the inflammation of joints specifically the sacroiliac joints and joints of the lower body. This occurs due to the infection in an area other than the joints. The joint inflammation is characterized by swelling, warmness in and around the joints, redness and pain. Additional symptoms include inflammation of the urinary tract, inflammation of the lines of the eyelids and eye membrane, fever, pain in lower back and heel, and weight loss.
This is caused by the bacterial infection belonging to the genus of Campylobacter, Shigella, Salmonella, Chlamydia and Yersinia.
A walk fundraiser
Magazine
Ext. what are the choices
Answer: Application of knowledge
Explanation:
Knowledge application that is when available knowledge is used to perform tasks and decision making through direction and routines.
Direction is the process in which the individual possessing or having the knowledge uses the action of another individual or person without transferring to that person the knowledge underlying the direction.
Answer:
206 bones
and babies have 300 bones which then fuse together as they grow older to the 206
Explanation: