Abd is a right angled triangle so by pythagoras we know

and to calculate h we need to use the sine rule

i hope this helps
Answer:
1000( l + b)
Step-by-step explanation:
2(500l + 500b)
=500 (2(l+b))
=1000
Answer: 1 & 4
Step-by-step explanation:
Just did it
The correct answer is summer because of heat