Please help. Algebra.
1 answer:
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Answer:
The deep of the sand will be 3.5 feet
Step-by-step explanation:
step 1
Find out the area of the court plus a 10-foot boundary around the court for safety
step 2
Find the deep of the sand
we know that
The volume of the sand is equal to
where
A is the area of the base
h is the height or deep of the sand
substitute the given values
Solve for h
Answer:
48 + 18√13 cm²
Step-by-step explanation:
HC = BC/2 = 4m/2 = 2 m
AC = √AH² + HC² = √9 + 4 = √13
A = 2×A(ABC) + 2×A(ACFD) + A(BCFE)
= 2×AH×BC/2 + 2×AC×CF + BC×CF
= 2×3×4/2 + 2×√13×9 + 4×9
=12 + 18√13 + 36
= 48 + 18√13 cm²
