I need help finding the angle measurements and side lengths.

right triangle

isosceles triangle

Step-by-step explanation:

The  box in the corner means that this triangle is a right triangle.  It is a 90 degree angle

We know this is an isosceles triangle since the two sides have the lines  on them.  Those marks means it has the same side length.

eveidence i thing that

step-by-step explanation:

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )