Step-by-step explanation:

Answer:Every triangle has 180 degrees. An isosceles triangle has one vertex angle and two congruent base angles. Thus the vertex angle is 38 and the base angle is 71 and their sum is 109. :)
Step-by-step explanation:
Answer:
12/5
Step-by-step explanation:
-3/2 ÷ -5/8 =
-3/2 x 8/-5 =
-24/-10 =
12/5
Answer:
1,000,000
Step-by-step explanation:
addition and maths
Answer:
c = sqroot45
Put a 45 in the box under the square root.
Step-by-step explanation:
Use Pythagorean Theorem. See image.
Also, sqroot45 can be simplified. It 3root5, just in case they ask that next.