**Answer:**

2(L*w) + 2(L*h) + 2(w*h)

**Step-by-step explanation:**

height = h

width = w

length = l

To find two sides you multiply to values then multiply by two, and repeat until each value is combined.

2(L*w)

2(L*h)

2(w*h)

Then add together.

Answer: 10m, 33m, and 29m

Step-by-step explanation:

n + 3n+3 + 3n-1 = 72m

7n+2=72m

7n = 72-2

n = 70/7

n = 10

**Answer:**

sinT =

**Step-by-step explanation:**

We require to calculate RT before obtaining sinT

Using Pythagoras' identity in the right triangle

RT² = 30² + 16² = 900 + 256 = 1156 ( take the square root of both sides )

RT = = 34 , then

sinT = = = =