The answer is five thousand seven hundred and twenty.
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Answer:
I think it's 5 triangle are needed to make star
Wassup
Steps:
1. Draw a line connecting the point to the center of the rectangle
2. Then construct a perpendicular bisector to the line drawn in step 1
3. Place the compass on the midpoint of the line, adjust its length to reach the end point, and draw an arc across the circle
4. Where the arc crosses the circle will be the tangent points. So connect the endpoint to the tangent point
Hope the picture helps you too
Answer: she reduced the area by 10
Answer : 21
Hope this Helps :)