exam Maths Puzzle Numerical Ability

The guy wires for an antenna tower are attached 82 ft. above the ground. If the other ends of the wires are attached to the ground 72 ft. from the tower, determine the following:(a

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Hi my name is Tim and i have a problem about lines and points.

15. Find the value of p if the line joining the points (3, -6) and (p, 10) is perpendicular to the line 2x-5y=7 .
Please help with this question. Determine the area of the triangle to the nearest tenth. Use A=bh/2. It is a right triangle 30-60-90 and the base measure is 6squareroot3. The height is not given. Thank you