Answer:
r= t-s
Step-by-step explanation:
t= s+r
t-s =r
.•. r= t-s
Answer:
31 units
Step-by-step explanation:
Wrt distance formula
√(20-(-11))^2 +(-17-(-17))^2
=√(31)^2+(0)2
=√961+0
=√961
=31
Answer:
76
Step-by-step explanation:
A full triangle is 180 *always remember
180-153=27
so r is 27
180-77-27=76
or you could do
77+27+x=180
104+x=180
x=180-104
x=76