Gujarat BoardEnglish MediumSTD 9MathsHeron’s Formula1 Mark
MCQ
A triangle ABC in which AB = AC = 4cm and $\angle\text{A}=90^\circ,$ has an area of:
A
16cm2
B
8cm2
C
12cm2
D
4cm2
✓
Answer
8cm2 Solution: According to question, in given right-angled triangle AB and AC are Base and Perpendicular respectively. $\text{Area}=\frac{1}{2}\times4\times4$ = 8cm2.
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