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Answer:
A = 76.8 yd²
Step-by-step explanation:
The area (A) of a regular polygon is calculated as
A =
pa ( p is the perimeter and a the apothem )
Here p = 8 × 4 = 32 yd and a = 4.8 yd , then
A =
× 32 × 4.8 = 16 × 4.8 = 76.8 yd²
Answer:
a= (y-4x-6)/X
Step-by-step explanation:
Make ax the subject of the formulae
-ax=4x+6-y
Multiply both sides by minus (-)
ax= y-4x-6
Divide both sides by x
a= (y-4x-6)/x