Answer:(4) right angle
Step-by-step explanation:
you need to get 180 right solve it from there
C. 84
12 x 8 is the area of the whole thing but you subtract 12 because of the missing 6x2 part of the square
so you are going to use the Pythagorean theorem on the smaller triangle to find the connecting side's length

now you can find the bigger triangle's hypotenuse

c=4
Answer:
0.7
Step-by-step explanation:
5(9n-6)
5×9n-5×6
45n-30
45n/45 -30/45
or 45n÷45-30÷45
n= 0.6666
0.7
hope dis helps!!!!!