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One acute angle of a right-angled triangle is double the other. If the length of its hypotenuse is 10 cm, then its area is
5Q:
One acute angle of a right-angled triangle is double the other. If the length of its hypotenuse is 10 cm, then its area is
- 1$${25\over 2}\ cm^2$$true
- 2$$25\ cm^2$$false
- 3$$25 \sqrt { 3}\ cm^2$$false
- 4$${75\over 2} \ cm^2$$false
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