Answer:
21.98 square inches
Step-by-step explanation:
The formula is πd which means pi times the diameter. The value of pi is given (3.14) and the diameter is 7.
Multiply 7 times 3.14 to get 21.98
65 I believe so it was for me but this was years ago
Answer:
- (x + 10)² + (y + 4)² = 232
Step-by-step explanation:
<h3>Given </h3>
- Center = (-10, -4)
- Point on circle = (4, 2)
<h3>To find </h3>
<h3>Solution</h3>
<u>Remember the standard equation of circle:</u>
- (x - h)² + (y - k)² = r², where (h, k) is the center and r is radius
<u>We have</u>
Use distance formula (Pythagorean theorem) to work out the length of the radius. We know that radius is the distance from the center to any point on the circle.
<u>Here we are finding the distance between points (-10, -4) and (4, 2)</u>
- r² = (-10 - 4)² + (-4 - 2)²
- r² = 14² + 6²
- r² = 232
<u>So the equation is:</u>
- (x + 10)² + (y + 4)² = 232
Answer:
An impossible one...
Step-by-step explanation:
The 3 interior angles of a triangle must add up to 180°
therefore no triangle can be 25,15,20 since that would add up to 60°
