Q5. Show that following points are vertices of right triangle. Also, name the right angle. (a) (4, 4) , ( 3 , 5) , (–1 ,1) (b) (–2, 3) , ( 8, 3) , ( 6, 7) (c) (–2, 3), (8, 3) and (6, 7)
Q6. Show that following points are vertices of a rectangle: (a) (2 , –2) , ( 8, 4) , ( 5, 7 ) , (– 1, 1) (b) (–4 , –1) , (–2 , 4) , ( 4, 0 ) , ( 2, 3 )
Q7. Show that following points are vertices of a square: (a) ( 0 , –1) , ( 2, 1) , ( 0, 3) , (–2, 1) (b) ( 0, 1) , ( 1, 4) , ( 4,3) , ( 3, 0)
Q8. Show that following points are vertices of rhombus: (a) ( 0, 5 ) , (–2, –2 ) , ( 5 , 0 ) , ( 7, 7 ) (b ) ( 2, –1) , ( 3, 4) , (–-2, 3) , (–3 , –2)
Q6. Show that following points are vertices of a rectangle: (a) (2 , –2) , ( 8, 4) , ( 5, 7 ) , (– 1, 1) (b) (–4 , –1) , (–2 , 4) , ( 4, 0 ) , ( 2, 3 )
Q7. Show that following points are vertices of a square: (a) ( 0 , –1) , ( 2, 1) , ( 0, 3) , (–2, 1) (b) ( 0, 1) , ( 1, 4) , ( 4,3) , ( 3, 0)
Q8. Show that following points are vertices of rhombus: (a) ( 0, 5 ) , (–2, –2 ) , ( 5 , 0 ) , ( 7, 7 ) (b ) ( 2, –1) , ( 3, 4) , (–-2, 3) , (–3 , –2)
Answers & Comments
Answer:
answers of your ques
Step-by-step explanation:
A certain number of men can complete a task in two days earlier than some certain number of
boys. Task completed by one man in one hour is same as the work completed by three boys in
one hour. Which one of the following ratios of number of men to number of boys can satisfy the above given condition?
(1) 1:2
(2:5
(2:3
(iv) 16:35
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