Part A
The angle of elevation of the staire case is given by

Part B:
<span>If
the landing of each step is changed to 17 inches and the elevation of
each step to 21 inches, the new angle of elevation for the
staircase is given by
</span><span>

</span>
4.19004 x 10^5
sry I have to write extra stuff to send the answers :)
Answer: C
Step-by-step explanation: i’m doing the test too
Answer:
Step-by-step explanation:
Well so it is asking you the statements and reasons and there is a select button it would be..... Hold on think about the letter formation. Just choose your best answer you think it is because if we are telling you thats cheating. But look above what I said. Think of the letter formation and quardinate with the question. I am speeding and yes I know I spelt it wrong.