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.
https://www.mathe-lexikon.at/geometrie/ebene-figuren/dreiecke/satz-von-thales.html
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.
