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Monday, November 2, 2020

Geometry

 Geometry


Complete the reasons and use them to fill in the answers


Question

Answer

Reason

A=150-30=180

Angles on a straight line…

B=54+54=108

Vertically opposite angles…

C+90+20+100=360

c+210=360

C=360-210=

=150

Angles around a point…

d+38+114=180

d+152=180

D=180-152

28

Angles in a triangle…

E=40+70+70=180

Angles in a triangle…

F=120+60=180

60+60+60=180

Equilateral triangles…


Angles in a triangle…


Angles on a straight line…


g+54+68=180

G=58

Angles on a straight line…


Angles in a triangle…

H=111+69=180

69+69=138+42=180

Isosceles triangles…


Angles in a triangle… 


Angles on a straight line…


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