Answer:
hi
Step-by-step explanation:
Since we have a rectangle triangle, then we can find the other side of the triangle using the Pythagorean theorem.
We have then:

Then the surface area is given by the sum of the areas.
Triangle of the base and the top:

Rectangle 1:

Rectangle 2:

Rectangle 3:

Finally, the surface area is:

Substituting values:
Answer:
The surface area of a right triangle prism is:
B. 132
C.) Multiply each term in the parentheses by 14 and then add their products.
Hope this helps!
Answer:
1:1
Step-by-step explanation:
thats how you write scale
mark brainliest pls
You do 28/100 which is 0.28
You then multiply this by 21
28/100 x 21 = 5.88