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प्रत्येक में k का मान ज्ञात कीजिए यदि त्...

प्रत्येक में k का मान ज्ञात कीजिए यदि त्रिभुजों का क्षेत्रफल 4 वर्ग इकाई है जहाँ शीर्षबिंदु निम्नलिखित है
(i) (k,0),(4,0),(0,2) (ii) (-2,0),(0,4),(0,k)

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त्रिभुजा का क्षेत्रफल
`=\frac{1}{2} ` `[[x_1,y_1,1],[x_2,y_2,1],[ x_3,y_3,1]]`

(i)
`4=\frac{1}{2} ``[[k,0,1],[4,0,1],[0,2,1]]` ...
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