dbrwnn
01.01.2022 •
Mathematics
In the diagram, what is the value of x?
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Ответ:
A
Step-by-step explanation:
82° + X = 180° (angles on a straight line)
180° - 82° = 98°
Ответ:
A. 98°
Step-by-step explanation:
x+82° = 180° (sum of angles on a straight line)
x= 180°- 82°
x= 98°
Ответ:
Part A:
Triangles DEG and DGF are similar
Part B:
There's a theorem using a Right Triangle that state: if the altitude is drawn to the hypotenuse of a right triangle (we have segment DG), then the two triangles formed (Triangle DEG and DGF) are similar to que original triangle (Triangle DEF) and to each other.
Hence, triangles DEG and DGF are similar.
Part C:
If EG = 2 and EF = 8, find the length of segment ED
EF is opposite to 90º
ED is adjacent to 90º
We can't calculate using tan once tan 90º is undefined.
Using proportion of similar triangles we have
It is because