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CBSE Class 9 Answered

<div>The base of an isosceles right triangle is 30 cm.Its area is_________.</div>
Asked by gpnkumar0 | 02 Aug, 2016, 12:10: PM
Expert Answer
begin mathsize 12px style Given space that space increment ABC space is space an space isosceles space right space triangle.
Since space the space base space comma space BC equals 30 space cm comma space So space AB equals 30 space cm
Area space of space increment ABC equals 1 half cross times space AB space cross times space BC space equals space 1 half cross times space 30 space cross times space 30 equals 450 space cm squared
Hence comma space area space of space increment ABC space is space 450 space cm squared. end style
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