R=16
J=32
20+40(which is 20×2)=60
20-4=16
16×2=32
Answer:
See Explanation
Step-by-step explanation:
Required
Expression for area of triangle
This is calculated using

Assume that:

The equation becomes

Surface area is the area of all the surfaces we can touch
2a)
1/2*5*3+1/2*4*3+6*4+6*5 which is
67.5
b) 2*(1/2*10*6)+12*6+12*10 which is
252
MP,
Both triangles share the letters MP in the same order and int he same place in their names, meaning that they share the side. <span />
4 x 10^12 is 4000000000000 in scientific notation. The decimal needed to move 12 places to the left.