Answer:
x=12°, ∡B=48°
Step-by-step explanation:
∡A=∡B
5x-12=2x+24
5x-2x=24+12
3x=36
x=12°
∡B=2*12+24°=48°
Answer:
the answer is C
Step-by-step explanation:
it it can be calculated by using simple quadratic formula
If a square contains 171 tiles you will need multiply 21 by 171 (171x21) which should give you the amount for the entire roof.
Hope this helps! :)