Calculate Triangle Area: Right Triangle with Height 10 and Base 8

Calculate the area of the following triangle:

888101010AAABBBCCCEEE

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Calculate the area of the triangle
00:03 Apply the formula for calculating the area of a triangle
00:06 (base(BC) x height (AE)) divided by 2
00:10 Substitute in the relevant values and proceed to solve
00:22 This is the solution

Step-by-step written solution

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1

Understand the problem

Calculate the area of the following triangle:

888101010AAABBBCCCEEE

2

Step-by-step solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the given dimensions: the base BC=8 BC = 8 units, and the height AE=10 AE = 10 units.
  • Step 2: Apply the triangle area formula: Area=12×base×height \text{Area} = \frac{1}{2} \times \text{base} \times \text{height} .
  • Step 3: Perform the calculations using the identified dimensions.

Now, let's work through each step:

Step 1: We have the base BC=8 BC = 8 units and the height from A A to BC BC , which is AE=10 AE = 10 units.

Step 2: Using the formula for the area of a triangle, we write:

Area=12×8×10 \text{Area} = \frac{1}{2} \times 8 \times 10

Step 3: Plugging in our values, we calculate:

Area=12×80=40 \text{Area} = \frac{1}{2} \times 80 = 40

Therefore, the area of the triangle is 40 square units.

3

Final Answer

40

Practice Quiz

Test your knowledge with interactive questions

Complete the sentence:

To find the area of a right triangle, one must multiply ________________ by each other and divide by 2.

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