Find the midpoint of the line segment with the given endpoints.

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The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.