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Details for problem "Triangle missing value area, side or height"

Quickname: 3335

Suitable for K-12 grades: Grade 7 Grade 8

Junior High School, Middle School, High School.


One of the values area, length of a side or corresponding height of a triangle are given. Determine the missing value.


One of the values area, length of a side or corresponding height of a triangle are given. Determine the missing value. (Example for this math problem)


Use this problem type on worksheets to calculate the area, the missing side, or height in a triangle when all other values are given.

This problem is about the formula for a triangle's area according to the formula A=c*hc/2. Two of the values involved are given, the third one is to be determined.

Two of these values are given for each problem: The length of the side, the length of the corresponding height, and the area. Which of these are given can be configured. The third value has to be calculated. This kind of worksheet can be used as a small or whole group activity or independent/ homework practice for mastery of finding the perimeter of a triangle using sides. Practice this worksheet in variation to boost the objectives given below.

  1. Recall the multiplication and division of decimal numbers.
  2. The formula to find the area of a triangle is revised.
  3. Understand the use of measurement units.
  4. Buildup concept of deriving required value from a given equation.
  5. Develop algebraic skills in geometry.

The complexity level can be personalized to use these worksheets from grade 7 and grade 8.

The answer key will include the solution of missing value.

Topics: Geometry Planes,Figures

Tags: Area Triangle

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Customization options for this problem

Possible values
Number of problems
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Given values
any two, side and height, height and area, side and area
Scatter false leads
Yes, No

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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