An adjustable ladder on the back of the firetruck is needed for firefighters to climb to very high buildings. the maximum angle the ladder can raise is 70°. if the ladder has a maximum length of 100 feet, what is the distance, in feet, that the firetruck can park away from the building to reach its highest point?

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Alogical argument that is presented in graphical form using boxes and arrows is called?