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Q1-:Find the area ( in cm²) of ∆APB. Q2-:Find the area (in cm²) of ∆BCQ. Q3-:Find the total area (in cm²) of UFO.
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Answers
Step-by-step explanation:
the question is not complete
I mean some info. is left to describe this picture .
like as whether the triangles are equilateral or any other . or any measurement of one of the triangle's side .
Hello student,
- The Area of triangle APB = 16√3 cm².
- The Area of triangle BQC = 9√3 cm².
- The Area of UFO ( the whole region ) = 114.6 cm².
Check in the above attachments, i had solved the question with my handwritten answer sheets. So go through and understand it.
Q. Now your doubt is, Why i used Heron's law ?
A: The answer is, In the the question there is no right angled triangles ( bcz there is no mentioning of, 90° or given height, ).
》Note, if a triangle is right-angled: The area will be = 1/2 × base × Height.
》If a triangle is other than right-angled but not mentioning equilateral, isosceles or scalene: The area will be used here is Heron's Law. ( For reference, see in the above attachment ).
》Area of equilateral triangle = √3/4 × a².
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