Omi67

3.6m is the diameter. 1.8m is the radius.

I also have this solution

f(x) = - (x+1)² + 8

f(x) = - (x² + 2x + 1) + 8

f(x) = -x² - 2x -1 + 8

f(x) = -x² - 2x + 7

a = -1   b = -2   c = 7

a + b + 2c = -1 - 2 - 14 = 11

Given that all the circles have equal radius of 10 cm, what is the area of the shaded blue part?

Alle diese Dreiecke sind rechtwinklig.

sqrt(x)=6

     x = 36

1*36 = 36

2*18 = 36

3*12 = 36

4*  9 = 36

Triangle ABC with vertices A(−2, 0), B(1, 4) and C(−3, 2) is reflected over the y-axis to form triangle A'B'C'. What is the length of a segment drawn from C to C'?

Quadrilateral ABCD is a square. Let  a,b,c  be parallel lines passing through A, B , and C, respectively. The distance between lines a and b is  12, and the distance between lines b and c is 17. Find the area of square ABCD.

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Das pi gehört mit unter die Wurzel.