Answer:
A) 96
Step-by-step explanation:
The 2 base angles are both 42* thus adding up to 84*. 180-84=96
You are welcome.
Answer: 60 degrees
Explanation: If all angles are same, each angle is 60 degrees and adds up to 180.
Answer:
i need help
Step-by-step explanation:
The answer must be

since the triangular pyramid has 4 faces and each has an area of 30

we should multiply that by 4 , so :
Answer:
more then america is in dept