130 degrees.
ADB = 90 degrees
BDT=40 Degrees
Therefore, TDS = ADB(90)+BDT(40)=130 degrees
The answer is 60 you just multiply the length and width and height
Answer:
D
Step-by-step explanation:
Answer:I am pretty sure it is the angels because the square can be a right and the roofs can be acute.
Step-by-step explanation:
Right angle is 90 degrees
Acute is less than 90 degrees
Obtuse is more than 90
Answer:
176 meters
Step-by-step explanation:
Stefano is at +10 elevation, the hiker is at -166.4
10 + 166.4 = 176.4 ≈ 176 meters