Use algebra tiles to model the expression, and then combine like terms. Check all that apply. 3 + 2 + x + x Combine the x tiles
2 answers:
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Answer:
area ≈ 6.3 units²
Step-by-step explanation:
Calculate the area (A ) of the sector as
A = area of circle × fraction of circle
= πr² ×
= π × 4² ×
= 16π × ← cancel 8 and 16 by 8, leaving
A = 2π ≈ 6.3 units² ( to 1 dec. place )
50ft squared
