Processing math: 100%
 
  Questions   
Sort: 
 #3
avatar
0
Feb 12, 2021
 #2
avatar+195 
0
Feb 12, 2021
 #1
avatar+15058 
+2

1: Use this example to demonstrate: Points M and G are labeled and represent the Mirror and the point where the tree touches the ground.

a: Label points: T at the top of the tree, E at the person’s eye level, and F at the person’s feet

b: Explain how you can create two similar triangles using the AA similarity postulate. You can sketch the triangles separately if you would like (hint: if the person and tree stand up straight, they form 90-degree angles at the ground):

c: If EF = 60 inches, FM = 80 inches, and MG = 200 inches, how tall is the tree?

 

Hello buyya!

 

1b.

In optics, angles of incidence are equal to angles of reflection in the case of reflection.

 

EMF=TMG

EFM=TGM=90

ΔMEFΔMTG

 

1c.

¯TG:¯EF=¯GM:¯FM¯TG:60=200:80¯TG80=60200¯TG=6020080¯TG=150

The tree is 150 inches tall.

 

2.

DBC=GBA (vertex angle)

DCB=GAB=90

ΔDBCΔGBA

¯AG:¯CD=¯BA:¯BC¯AG:3=15:44¯AG=153¯AG=1534

¯AG=1114

The river is 1114 feet wide.

laugh  !

Feb 12, 2021
 #1
avatar
0
Feb 12, 2021

1 Online Users