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Subjects
Mathematics CBSE
Class 9
Heron's Formula
Textbook Questions
19.
Exemplar Exercise Problems V
Exercise condition:
2
m.
1
. The area of an isosceles triangle having base
2 cm
and the length of one of the equal sides
4 cm
, is
4 \sqrt{15} cm^2
\sqrt{15} cm^2
\sqrt{\frac{15}{2}} cm^2
2 \sqrt{15} cm^2
2.
The edges of a triangular board are
6 cm
,
8 cm
and
10 cm
. The cost of painting it at the rate of
9
paise per
cm^2
is
Rs 2.16
Rs 2.56
Rs 2.00
Rs 3.00
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