Answer:
122
Step-by-step explanation:
<HEB=180-(42+32)
=180-74
=106
<DEA=180-106 (straight line)
=74
<NAD=48+74(exterior angle = sum of 2 interior opposite angles)
<NAD=122
Answer:
3
Step-by-step explanation:
Opposite integers are on opposing sides of 0. -3 is 3 away on the left, 3 is 3 to the right of 0.
Answer:
either or 1
Step-by-step explanation:
Using the cosine rule we can work out the length of the side opposite the indicated right angle which came to be 15mm
then the final answer came to be 163mm^2