Answer:
42
Step-by-step explanation:
The height of the pole is 4 times shorter than the length of the shadow 20÷5=4
The height of the building must be 4 times shorter than its shadow length 168÷4=42
Hello,
Let y=sin^(-1)(12/13.
==>sin y=12/13
==>cos y=√(1-(12/13)²)=√(25/169)=5/13
Answer 5/13
Answer:

Step-by-step explanation:

Answer:
360
Step-by-step explanation:
(i think that is a 1 not an L)
21 + 9 equals 30. And 21-9 equals 12. So you would multiply 30*12 which gives you your answer!
<h2>360</h2>