Step-by-step explanation:
2( l + w ) = perimeter of triangle
P = 2( 10+8 )
p= 2(18)
p= 36cm
Circle = pie (r) + d. recall d = 2r
P= 3.142 (4) + 8
P= 20.57~
so therefore= , 36 + 2(20.57)= 77.14cm ~ to the nearest tenths
I think i’m may be ‘B’ i’m so sorry if i’m incorrect!!
I went thru it and im pretty sure that only these work
-10
-5
-3
Answer: 18
Step-by-step explanation: