Answer:
-4u+4
Step-by-step explanation:
Answer:
It's a right triangle.
Step-by-step explanation:
△ABC with m∠A=30° , m∠B=60° , and m∠C=90°
It's a right triangle.
By definition, the number 
is the ratio between the circumference and the diameter:
This implies that
And so your circumference is 
Answer:
Step-by-step explanation:
base=42 m
height=h=?
base angle θ=60°
tan 60=h/42
h=42tan 60=42√3≈72.75 m
height of taller building=135+42√3 m≈135+72.75≈207.75 m≈208 m
Like in real life problems?
if yes then when conducting a survey, when grading quizzes/assignments, etc
