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Here are some tips for Triangle Area 2, which aligns with California state standards:
Triangle Area 2
This topic is about solving for the unknown in triangle areas problems.
To master this topic, you should understand the triagle area formula and solving for unknowns.
For review, see Triangle Area and Single Variable Equations.
Example 1: Picture problem
Use the formula for triangle area and plug in what you know.
The area is 12 cm2 x =
Then solve for the unknown.It is given that the triangle area is 12 cm2.The answer is x =
Looking at the picture, we see that the base is 6 cm.
We are solving for the height, x.
Example 2: Word problem
A triangle has an area of 70 yd2. The height is 10 yd. What is the length of the corresponding base? base = Use the formula for triangle area and plug in what you know.
Then solve for the unknown.It is given that the triangle area is 70 yd2 and the height is 10 yd.The answer is base = .
We are solving for the base, b.
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