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| Math Central | Quandaries & Queries |
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Question from reg, a student: Hi, i have been given an irregular pentagon in which i have to work out the area. I require your help because i have the length of two sides of one of the triangle - how do i work out the other side? I have not been provided with any angles - can i make the angles up? Please help me??? |
Hi Reg,
You need to know something else about the pentagon. If you only have the lengths of the sides then you can construct pentagons of different shapes and different areas with these side lengths. Do you know something else? Do you know the angles or the lngth of a diagonal?
Penny
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