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Find the area of an isoseles …

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Find the area of an isoseles triangle whose base is 16cm and one of its equl sides is 10cm 0

Posted by Arfa Tazain 8 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Amar Kumar 8 years, 5 months ago

{tex}\eqalign{ & Area\,of\,triangle = {1 \over 2} \times base \times height \cr & A = {1 \over 2} \times 16 \times h \cr & A = 8 \times h \cr & \cr} {/tex}

Given that: equal sides are 10cm. each

As we know that height of an isoseles triangle divides it into two right angle triangles so using Pythogorus theorem we can calculate the height of isoseles triangle

base of right angle triangle=8 cm.

hypo=10

h²=10²-8²

h=6cm.

so A=8x6

A=48cm²

0Thank You

ANSWER

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