Answer:
m=-1
Step-by-step explanation:
It is -1
The intersection between lines l and m would produce angles that are 90 degrees each in each numbered area. Thus the angle in m1 and m3 would each be 90 degrees which add to produce a total of 180 degrees.
Answer: (B) 8 cm
Step-by-step explanation:
A triangle has 3 sides.
In order for it to be a triangle, the sum of sides a and b must be greater than the length of side c.
Testing (A) 7cm:
7 + 9 > 16
16 > 16
False
Testing (B) 8cm:
8+9 > 16
17 > 16
True
Testing (C) 25cm:
9 + 16 > 25
25 > 25
False
Testing (D) 26cm:
9 + 16 > 26
25 > 26
False
That's too much. you should just put it separate. most won't want to answer.