For #1 the answers are
69 degrees
155 degrees
86 degrees
335 degrees
249 degrees
Answer:
d=222
Step-by-step explanation:
The lenght would be 12*4 is 48
The area of a triangle is 1/2 b/h. So what you do is you find base and height, multiply them together and whatever answer you got, you divide by 2.
Example:
A= 1/2 (b x h)
A= 1/2 (4 x 6)
A= 1/2 (24)
A= 12
Hope this helps!