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Area >> Rightangle Triangle calculator
Area

1  Circle
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9  Scalene Triangle
10  Rightangle Triangle
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13  SectorSegment
Area
>>
Rightangle Triangle
Area 10 of 13
I know that for a rightangle triangles
AB
BC
=
and
BC
AC
=
. From this find out
BC
AC
Perimeter
Area
of the rightangle triangles.
Solution
Rightangle Triangle Formula
Area Formula
Solution
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Area of Rightangle Triangle
Diagonal
`(d) = sqrt(a^2 + b^2)`
Perimeter
`(P) = a+b+c`
Area
`(A) = 1/2(a b)`
Example :
I know that for a rightangle triangles AB = 5 and BC = 12 . From this find out Area of the rightangle triangles.
`"Here one Side" = 5" and other Side" = 12" (Given)"`
`"We know that,"`
`"In triangle ABC, by Pythagoras' theorem"`
`AC^2 = AB^2 + BC^2`
`AC^2 = 5^2 + 12^2`
`AC^2 = 25 + 144`
`AC^2 = 169`
`AC = 13`
`"Perimeter" = AB + BC + AC`
` = 5 + 12 + 13`
` = 30`
` `
`"Here base" = 5" and height = "12 `
`"We know that,"`
`"Area" = 1/2 * AB * BC`
` = 1/2 * 5 * 12`
` = 30`
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