Find the mean:
{8.5, 7.5, 7.5, 7.5
4, 6, 10,7.5, 6, 7.5}

Sum-43

Arithmetic mean (Simple Average) -5.375

Median-6

Range 12

Variance 14.12

Standard Deviation 14.12 = 3.76

the answer for this question is : 360°

step-by-step explanation:

we have been given a triangle   we need to tell which one of these is a triangle below to map onto itself.

360° rotation is the complete rotation which eventually leads to the same figure which is given.

the correct will be, that is 360° that will cause the triangle below to map onto itself.

i saw this question before, dont know the asnwer srry

step-by-step explanation: