Best way to solve this is by using


s=(12+8+17)/2
=18.5
using the formulae
area =43.5
Let the coordinates of the circumcentre O of the triangle DEF be (x, y). Circumcentre of a triangle is equidistant from each of the vertices.
1. Distance OD=distance OE, then:
.
2. Distance OD=distance OE, then:
.
Solve the system:
,
,
.
Then
.
Answer: the coordinates of the circumcenter for ∆DEF are x=4.5, y=-1.
Well a closed circle means greater than or less than or equal to. This means that if x which is the number we dont know, is higher than 5 than we can say that x is greater than or equal to 5. I cannot draw it on a computer so that is it.
Answer:
99%
Step-by-step explanation:
9/10 + 7/100
find the common denominator for 9/10 which is 100
multiply by 10 for 9/10
(9)(10)=90
(10)(10)=100
90/100+7/100
Answer:
97/100