Calculate Parallelogram Area with Height 3 and Side Length 8

Area Formula with Base and Height

Given the parallelogram of the figure

What is your area?

888333AAABBBCCCDDDEEE

❤️ Continue Your Math Journey!

We have hundreds of course questions with personalized recommendations + Account 100% premium

Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find the area of the parallelogram
00:03 Calculate the area of the parallelogram using height(AE) multiplied by side(BC)
00:11 Substitute appropriate values and solve to find the area
00:27 And this is the solution to the problem

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Given the parallelogram of the figure

What is your area?

888333AAABBBCCCDDDEEE

2

Step-by-step solution

To find the area of the parallelogram, follow these steps:

  • Step 1: Identify the given dimensions.
    We have a base b=8 b = 8 and a height h=3 h = 3 .
  • Step 2: Apply the area formula for a parallelogram.
    The area A A is given by the formula A=b×h A = b \times h .
  • Step 3: Perform the calculation.
    Substitute the known values into the formula to get A=8×3=24 A = 8 \times 3 = 24 .

Therefore, the area of the parallelogram is 24 24 .

3

Final Answer

24 24

Key Points to Remember

Essential concepts to master this topic
  • Formula: Area of parallelogram equals base times height (A = b × h)
  • Technique: Identify perpendicular height, not slanted side: 3 units is height
  • Check: Units should be square units: 8 × 3 = 24 square units ✓

Common Mistakes

Avoid these frequent errors
  • Using slanted side instead of perpendicular height
    Don't multiply base by the slanted side length = wrong area calculation! The slanted side is not the height - height must be perpendicular to the base. Always use the perpendicular distance between parallel sides as your height.

Practice Quiz

Test your knowledge with interactive questions

A parallelogram has a length equal to 6 cm and a height equal to 4.5 cm.

Calculate the area of the parallelogram.

6664.54.54.5

FAQ

Everything you need to know about this question

What's the difference between height and side length?

+

Height is the perpendicular distance between parallel sides, while side length is the actual length of a slanted side. In this problem, the height is 3 units (shown perpendicular), not the slanted side marked as 8.

Why can't I use the slanted side in the formula?

+

The area formula A=b×h A = b \times h specifically requires the perpendicular height. Using the slanted side would give you a larger, incorrect area because it's longer than the actual height.

How do I identify the base and height in the diagram?

+

The base can be any side (here it's 8), and the height is always the perpendicular line from that base to the opposite side (here it's 3, shown with the right angle symbol).

What units should my answer have?

+

Area is always measured in square units. Since we multiplied length × length, our answer of 24 should be expressed as 24 square units (or units²).

Can I choose a different base?

+

Yes! You can use any side as the base, but you must use the corresponding perpendicular height to that base. The area will always be the same regardless of which base you choose.

🌟 Unlock Your Math Potential

Get unlimited access to all 18 Parallelogram questions, detailed video solutions, and personalized progress tracking.

📹

Unlimited Video Solutions

Step-by-step explanations for every problem

📊

Progress Analytics

Track your mastery across all topics

🚫

Ad-Free Learning

Focus on math without distractions

No credit card required • Cancel anytime

More Questions

Click on any question to see the complete solution with step-by-step explanations