Answer:
4.87138
Step-by-step explanation:
i think
Answer:
A
Step-by-step explanation:
In the figure shown, ABC is a right triangle with side lengths a, b, and c, and CD is an altitude to side AB. This altitude divides the triangle into two right triangles ADC and BDC. In these triangles,
So,

1. From the similarity
you have

2. From the similarity
you have

Hence, option A is true
Answer:
x=2;DE,EF=9,DF=5
Step-by-step explanation:
Since DEF is isoceles, you can set the equations
x+7 and 2x+5 equal to each other
x+7=2x+5, now solve for x
-x=-2,
x=2, now plug in for each side
DE,EF=9
DF=3(2)-1=5
Answer:
The answer to your question is: x = - 102
Step-by-step explanation:



-x = 17 x 6
-x = 102
x = -102
5 + 3{96 + 20 + 4}
5 + 3{116 + 4}
5 + 3{120}
5 + 360
365