. The formula to find the surface area of a sphere is to take the radius of the sphere and square
1 answer:
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Answer:
50 cm² and 56 cm²
Step-by-step explanation:
The area (A) is calculated as
A = × d₁ × d₂ ( d₁ and d₂ are the length of the diagonals )
(2)
A = × (8 + 2) × (5 + 5)
= 0.5 × 10 × 10
= 5 × 10
= 50 cm²
(3)
A = × (12 + 2) × (4 + 4)
= 0.5 × 14 × 8
= 7 × 8
= 56 cm²
Answer:
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
<u>Algebra I</u>
- Midpoint Formula:
Step-by-step explanation:
<u>Step 1: Define</u>
Point (-4, -5)
Point (4, 7)
<u>Step 2: Find Midpoint</u>
Simply plug in your coordinates into the midpoint formula to find midpoint
- Substitute [MF]:
- Add:
- Divide: