Answer:
area = 39.25 cm²
Step-by-step explanation:
The top and bottom area of a cheese wedge is shaped like a sector of a circle so finding the area of the top surface of this wedge is same as applying the area of a sector.
Top surface area(sector) = ∅/360 × πr²
where
∅ = central angle
r = radius
Top surface area(sector) = ∅/360 × πr²
area = 45/360 × π × 10²
area = 1/8 × 100π
area = 100π/8
area = 100 × 3.14/8
area = 314
/8
area = 39.25 cm²
Answer:
A, B, D
Step-by-step explanation:
Answer:
The answer is D.
Step-by-step explanation:
28.7 is 41% of 70
Hope this helps!
Answer:
x = 20; x = 8
Step-by-step explanation:
Because 62 and 2 + 3x are opposite angles, they are equal to each other due to geometric rules. Therefore, 62 = 3x + 2 and then 3x = 60. Dividing both sides by 3, we get x = 20 for problem 21.
40 and 6x + 2 are complementary, meaning they add up to 90 degrees. We can set up 40 + (6x + 2) = 90. Simplifying, 6x + 42 = 90 and then 6x = 48. 48 divided by 6 is 8, so x = 8 for problem 22.