Answer:
n= 69 degrees
Step-by-step explanation:
total inside measure of any triangle is 180 degrees
180= n+n+42
180= 2n+ 42
2n= 180-42
2n= 138
n=69
B.(6,5)
because (6,5) ang sagot
Jamie has a foot plank that he needs to cut into 1/9 pieces.
15 ÷ 1/9 = 135
135 x 1/9 = 15
