Find the surface area of this right triangle

144 square centimeters

Step-by-step explanation:

So the first triangle, which is on the side. We do 3 x 4, which is 12. We would normally divide it by 2 since it is a triangle, but since there is 2 triangles that are the same, we keep it 12. Next, we have the bottom rectangle. We do 4 x 11, which is 44. Next we do the top rectangle, 5 x 11, which is 55. Next we do the side rectangle, 3 x 11, which is 33.

Next we add all of these answers together!

12 + 44 = 56

56 + 55 = 111

111 + 33 = 144

ANSWER: 144 square cm

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step-by-step explanation:

50-38=12

step-by-step explanation: