# Complementary angles

Two angles are complementary. If one angle measures 10°, what is the measure of the second angle?

### Correct answer:

#### You need to know the following knowledge to solve this word math problem:

## Related math problems and questions:

- The sum 11

The sum of the measures of two angles is 89°. One angle has a measure of 64°. What is the measure in degrees of the second angle? - The two

The two angles of a triangle are 78° and 82°. So what is the measure of the remaining third angle? - A straight angle

A straight angle measures s, so you can subtract or add 85 from What are the measure of their angles? - Supplementary angles

(a + 30)° and (2a)° are the measure of two supplementary angles. Find the value of 'a'. - The sum 18

The sum of the 3 angles in a triangle is 180°. Find the 3rd angle of a triangle if the 1st and 2nd angles measure 58.3° and 45.5°. - Two angles

The triangles ABC and A'B'C 'are similar. In the ABC triangle, the two angles are 25° and 65°. Explain why in the triangle A'B'C 'is the sum of two angles of 90 degrees. - Complementary angles 2

Two complementary angles are (x+4) and (2x - 7) find the value of x - Triangle 42

Triangle BCA. Angles A=119° B=(3y+14) C=4y. What is measure of triangle BCA=? - If the 3

If the temperature of a city drops 2° everyday and increases by 3° on every 5 days, how long does it take to drop to -15° from temperature +5°? - The triangles

The triangles ABC and A'B'C 'are similar with a similarity coefficient of 2. The angles of the triangle ABC are alpha = 35°, beta = 48°. Determine the magnitudes of all angles of triangle A'B'C '. - Supplementary angles

One of the supplementary angles is larger by 33° than the second one. Calculate the angles size. - On Sunday

On Sunday the temperature reached a high of 38° above 0. That night it dropped to 23° below 0. What is the difference between the high and low temperatures for Sunday? - Ground level

The temperature at ground level in Helsinki is 20°C lower than in London. The temperature in a basement flat in Helsinki is 5°C below the temperature at ground level. If it is -29°c in the basement, what is the temperature in London? - Is right triangle

One angle of the triangle is 36° and the remaining two are in the ratio 3:5. Determine whether triangle is a rectangular triangle. - The enrolment

The enrolment for this school year is 2,340. If 1/6 are grade 8 and 1/4 are grade 10, how many are grade 7 or grade 9? - Outer angles

The outer angle of the triangle ABC at the A vertex is 71°40 ' outer angle at the vertex B is 136°50'. What size has the inner triangle angle at the vertex C? - Right triangle

Calculate the length of the remaining two sides and the angles in the rectangular triangle ABC if a = 10 cm, angle alpha = 18°40'.