show that (1,7),(4,2),(-1,-1),(-4,4) are the vertices of square.
Answers
Answered by
4
Let the vertices are
M(1,7),N(4,2)
R(−1,−1),Q(−4,4)
MN=
(1−4)
2
+(7−2)
2
=
9+25
=
34
NR=
(4+1)
2
+(2+1)
2
=
25+9
=
34
RQ=
(−1+4)
2
+(−1−4)
2
=
34
MQ=
(1+4)
2
+(7−4)
2
=
34
all sides are equal, Hence MNRQ is a square
P(2,P) is midpoint of
A(6,−5),B(−2,11)
P=
2
−5+11
p=3
Answered by
1
Step-by-step explanation:
Answer:
Similar questions