<em>Answer:</em>
<em>≈ 44.65(7) m²</em>
<em>Step-by-step explanation:</em>
<em>A = π·r²·80°/360° = 3.14×64×80/360 ≈ 44.65(7) m²</em>
Answer:
Step-by-step explanation:
Expand the brackets.
Multiply.
7/8
It is the 4th one- 4x^5
16. 5.1b + 0.8
17. x
Step-by-step explanation: All you have to do is add the common values 3.2b and 1.9b
