Answer:C
Step-by-step explanation: If you look at the graph it shows that the triangle is 18.u as a perimeter and 20.5 as area.
Answer:
C.
Step-by-step explanation:
C. is the only answer option with the correct perimeter of 18u
area is correct too
B
The central angle ANC is equal to the arc ABC that subtends it, thus
arc ABC = 138° → B
-7X -3X+8X=-8-2
-2X=-10
X=5