Stairway

What angle rising stairway if the step height is 20 cm and the width 26 cm?

Final Answer:

A =  37.6 °

Step-by-step explanation:

y=20 cm x=26 cm  s=xy=2620=13100.7692 α=arctans=arctan0.76920.6557 rad A=α  °=α π180   °=0.6557 π180   °=37.6  °=37.6=37°347"



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planimetrybasic operations and conceptsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem

 
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