As shown in the figure, in RT △ ABC, ∠ C = RT ∠, three semicircles are made by taking the three sides of the right triangle as the diameter, then the relationship among S1, S2 and S3 is as follows:______ .
So the answer is: S2 + S3 = S1
RELATED INFORMATIONS
- 1. Make a rectangle with two squares of 1 cm in length. What's the perimeter of the rectangle?
- 2. The radius of a sector is 30cm, the center angle is 120 ° and it is used as the side of a cone______ .
- 3. The circumference of a circle is 4 π cm, and its area is______ Square centimeter
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- 6. It is known that the perimeter of a rectangle is 45cm and the length of one side is ACM, then the area of the rectangle is as follows:
- 7. Given the equation x ^ 2-kx-2 = 0 about X, let the two equations be X1 and X2, and 2 (x1 + x2) > x1x2, find the value range of real number K
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- 15. If x = 1 is a solution of the quadratic equation AX2 + bx-40 = 0 and a ≠ B, then the value of A2 − b22a − 2b is______ .
- 16. 1 / 1 + 2 + 1 / 1 + 2 + 3 + 1 / 1 + 2 + 3 + 4 + +1/1+2+3+…… +20 = m / N. where m and N are positive integers and have no common divisor. Find m + n
- 17. >What is the number in front of the multiplication sign in the multiplication formula_ Teaching design of the meaning of multiplication and the law of operation
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