Answer:
Step-by-step explanation:
exterior angle=sum of opposite two interior angles=70+50=120°
c.
120=50+?
?=120-50=70°
Answer:
D
Step-by-step explanation:
hard to explain but when you rotate 180, you can imagine that a straight line with the center of rotation as the midpoint can be drawn between the image and preimage. you want a mapped to c and you want d mapped to b. having it rotate 180 with the center of rotation being the center of the parallelogram allows you to make those imaginary lines between a and c and d and b. hope this helps
Answer:
its d
Step-by-step explanation:
because if 12 times 12 is 34 then add that to 15 and u get 52
Answer:
1400 cm squared
Step-by-step explanation:
40*35=1400cm squared
In an isosceles triangle, the base angles are congruent. The third angle is called the vertex angle.
Here, the vertex angle is <A.
Therefore, m<C = m<B.
m<A = 3m<B + 20
m<A + m<B + m<C = 180
3m<B + 20 + m<B + m<B = 180
5m<B + 20 = 180
5m<B = 160
m<B = 32
m<C = m<B = 32
Answer: m<C = 32 deg
