Triangle abc is a right triangle. what is the relationship between angles a and b? they are congruent. they are complementary. they are supplementary.

A and B are complementary angles.

Step-by-step explanation:

We know that triangle ABC is a right angled triangle so one of the angles among A, B or C is 90°.

The sum of all three angles of a triangle is 180° so assuming angle C to be the right angle (i.e. 90°), we can write it as:

°

°

We know that if two angles add up to a sum of 90°, they are said to be complementary angles.

Since here in this case, , therefore A and B are complementary angles.

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 : )

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step-by-step explanation: