The area of each triangular base is
A = 1/2(b)(h)
A = 1/2(3)(4)
A: 112
There are two bases, so total base area is
The lateral area is
5 ft
12 ft
A = (12)(3) + 12(5) + 12(4)
A
=
42
3
ft
The total surface area is
✓ Done
1) Intro

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units