Answer is C or 5/6
Explanation: use calculator
Answer:
it is true.
Step-by-step explanation:
the proportions 4:6 and 10:15 can both be simplified into 2/3.
hope this helped! :)
(8x-10)°+(6x)°+(10x+10)°=360°
8x-10+6x+10x+10=360
8x+6x+10x-10+10=360
24x-10+10=360
24x=360
24x/24=360/24
x=15
Scalene because all three sides are different.