Answer:
Step-by-step explanation:
Algebra level
About 379.1666666666666
The 6 is repeating. Or about 379 if your rounding.
Answer:
5-(1+5)= -1
-2(1+4)=-10
Step-by-step explanation:
So a triangle is always 180°.
If one angle is 90° then we can subtract that from the 180° to find out how much the other two will be.
180°-90°=90°
So the other two angles added together will have to equal 90°.