Answer:
C. 80
Step-by-step explanation:
5x10x.5=25
25x2=50
3x10=30
50+30=80
X° + 123° + 90° = 360° (angles at a point)
x° = 360° - 90° -123°
x° = 147°
The answer of x is 147°
Hope I can help you :)
Answer:
Congruent
Step-by-step explanation:
rectangle are two congruent right triangles. Because the triangles are congruent, they have the same area, and each triangle has half the area of the rectangle
Hope this helps!
The answer to the expression is 42