Find the 9

Find the missing angle in the triangle and then name triangle. Angles are: 95, 2x+15, x+3

Result

x =  22.333
A =  95 °
B =  59.666 °
C =  25.333 °

Solution:

95+(2x+15)+(x+3)=180

3x = 67

x = 673 ≈ 22.333333

Calculated by our simple equation calculator.   Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...): Be the first to comment! To solve this verbal math problem are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation? See also our trigonometric triangle calculator.

Next similar math problems:

1. Slope Find the slope of the line: x=t and y=1+t.
2. The larger The larger of two numbers is nine more than four times the smaller number. The sum of the two numbers is fifty-nine. Find the two numbers.
3. The second The second angle of a triangle is the same size as the first angle. The third angle is 12 degrees larger than the first angle. How large are the angles?
4. Triangle angles In a triangle ABC the interior angle at the vertex C is twice as the internal angle at the point A. Outer angle at the point B measured 117 degrees. How big is the outer angle at the vertex A?
5. Largest angle of the triangle What is the largest angle of the triangle if the second angle is 10° greater than twice the first and the third is 30° smaller than the second?
6. Supplementary angles One of the supplementary angles are three times larger than the other. What size is larger of supplementary angles?
7. Center traverse It is true that the middle traverse bisects the triangle?
8. Candy Peter had a sachet of candy. He wanted to share with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss 8 candies. How many friends did Peter have?
9. Fifth of the number The fifth of the number is by 24 less than that number. What is the number?
10. Three figures - numbers The sum of three numbers, if each is 10% larger than the previous one, is 662. Determine the figures.
11. Percent Calculate how many % is the number 26.25 less than the number 105.
12. Football season Dalibor and Adam together scored 97 goals in the season. Adam scored 9 goals more than Dalibor. How many goals scored each?
13. Dining room The dining room has 11 tables (six and eight seats). In total there are 78 seats in the dining room. How many are six-and eight-seat tables?
14. Pupils There are 350 girls in the school, and the other 30% of the total number of pupils are boys. How many pupils does the school have?
15. Viju viju has 40 chickens and rabbits. If in all there are 90 legs. How many rabbits are there with viju??
16. Reciprocal equation Determine the root of the equation: 9/x-7/x=1
17. Cinema tickets Cinema sold 180 tickets this Thursday, which is 20%. Monday 14%, Tuesday 6%, Wednesday 9%, Friday 24%, Saturday 12%, and Sunday 15%. How many tickets were sold per week?