Answer:
126°
Step-by-step explanation:
The total degrees should be 180° so 126+54=180
The following are the sequence of steps for solving the given problem:
1. Use the distributive property to remove parenthesis.
2. Combine constants which are like terms.
3. Subtract 10 from both sides of the equation.
4. Divide both sides by 4 to isolate the x.
5. The solution.
378 cm is the volume hope this helped
Answer:
45
Step-by-step explanation:
The little square at the bottom of the triangle is a 90 degree angle so add 90+45=135 and if the whole triangle equals 180 so you would do 180-135=45