Answer:
30,60,90 triangle, which is the lengths 1 √ 3 , and 2 respectively. This is what I have got so far: Using the 30-60-90 Ratio
Step-by-step explanation:
reflection
Answer: 49
a=1 ,b=14, c=?
b^2-4ac =0
(14)^2-4(1)(c)=0
196-4c=0
196=4c
c=49
Check:
(x)^2+2(x)(7)+(7)^2
x^2+14x+49
(x+7)^2
