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Mathematics 9 Online
OpenStudy (anonymous):

The coordinates A(2, 1), B(7, 1), C(2, 4) form a right triangle. true false

OpenStudy (anonymous):

do u want process or not

OpenStudy (anonymous):

yes please

OpenStudy (anonymous):

there are many ways. but since u are asking questions involving slopes. solve it by using slope. find slopes of all three lines then if any of the combination makes|dw:1342704623252:dw| then it is a right angled triangle

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