10 × (8 + 3) – 6 + [8 × (3 + 2)]
2 answers:
Answer:
Explanation:
Follow PEMDAS Order Of Operations
PEMDAS: Parenthesis, Exponents, Multiply, Divide, Add, Subtract
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Calculate Within Parenthesis: (8 + 3) = 11
= 10 · 11 - 6 + [ 8 · (3 + 2) ]
Calculate Within Parenthesis: [ 8 · (3 + 2) ] = 40
= 10 · 11 - 6 + 40
Multiply / Divide (Left To Right): 10 · 11 = 110
= 110 - 6 + 40
Add / Subtract (Left To Right): 110 - 6 + 40 = 144
= 144
Mordancy.
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Answer:
Step-by-step explanation:
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Required
The area of the semicircle
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Considering only the triangle, we have:
--- cosine formula
Make h the subject
The area of the semicircle is then calculated as:
This gives:
