simple GEOMETRY math questions

6. Problem: Use only a compass and a straightedge to construct each of the following, if possible:: a. A right triangle with one acute angle measuring 75° and a leg of 5 cm on a side of the 75° angle b. A triangle with angles measuring 30°, 60°, and 90° c.. A segment congruent to CB and an angle congruent to ?ACB  b. A triangle with sides of lengths 2, 3, and 4 units c. An isosceles right triangle d. An equilateral triangle with any side length 7. Using any tools, construct each of the following, if possible. If the construction is not possible, explain why. a. A square, given one diagonal b. A parallelogram, given two of its adjacent sides c. A rhombus, given its diagonals