5. \( x^{2}+y^{2}+14 x-8 y+40=0 \)

6.1 A man places a 5 m ladder to reach a point of x m high on the wall. The distance from of the wall to the foot of the latter is 3 m . Calculate the height of the wall.

1. Move the slider to choose a scale factor greater than 1. Where is point P'?

1.1 Perpendicular lines are two lines that form a ___ angle when they intersect. A. Parallet B. 90 degree C. Complementary D. Acute

Le basi e il lato obliquo di un trapezio isoscele misurano \( 39 \mathrm{~cm}, 21 \mathrm{~cm} \) e 15 cm . Calcola la diagonale di un rettangolo equivalente al tra pezio sapendo che ha una dimensione cm .

If the height of a cylinder is doubled while keeping the radius constant, how does that affect its volume?