Answer:
166
Step-by-step explanation:
1) the area of triangles on the left and right sides: 2*13
2) the area of triangles on top and bottom sides: 10*12
3) the area of the rectangle in the middle: 10*2
4) Altogether: 2*13+10*12+10*2=166
Answer:
R=0.42857
Step-by-step explanation:
ac/question, -6+2R+12R=0
14R=6
R=
R=0.42857
Answer:
37.8 yd^3
Step-by-step explanation:
base area = (4.5 x 2.8)/2 = 6.3 yd^2
Volume = 6.3 x 6 = 37.8 yd^3