exam Maths Puzzle Numerical Ability

Simplify:

5 sq root 2(7 sq root 8 + 5 sq root 3)

Read Solution (Total 0)

exam Other Question

Please help me with this problem:
I did this but I was told is wrong
36^1/2/15^2 = 6/225 = 2/75 One angle of a triangle is twice as large as the smallest angle. The measure of the third angle is 20 more than that of the smallest angle. Find the measure of the smallest angle.