There is no illustration, so it is impossible to answer this question. I apologise.
Answer:
30 60 90 triangle
the hypotenuse is twice the length of the shorter leg length.
Its cross-multiplication. 20.25 times 1 divided by 3 3/4 = 5.4 -(answer)
Answer:
(a;b)={(17; 64); (64; 17)}
Step-by-step explanation:
a+b=81 => b=81-a
a*b=1088
a*(81-a)=1088
-a²+81a=1088
a²-81a+1088=0
a²-64a-17a+1088=0
a(a-64)-17(a-64)=0
(a-17)(a-64)=0
=> a=17 and a=64
for a=17 => b=81-17=64
for a=64 => b=81-64=17
(a;b)={(17; 64); (64; 17)}
