clairemariecuen clairemariecuen

23-02-2018
Mathematics

contestada

A quadrilateral has angles that measure 74°, 93°, and 117°.

What is the measure of the fourth angle?

A.

76°

B.

104°

C.

106°

D.

284°
Please explain too!

Respuesta :

nicolina nicolina

23-02-2018

The answer is A. 76°.
The sum of the angles in a quadrilateral equals 360°.
Let the unknown angle be x.
The sum would be:
x+74°+93°+117°=360°
x+284°=360°
x=360°-284°
x=76°

Answer Link

Otras preguntas

Please help! What do earth scientists study? What are some areas that they investigate? What kinds of questions do they ask? Why is it important to study ea

Condition without pulse (loss of consciousness that occurs when the body cannot get the oxygen it needs to function - e.g., choking, drowning, carbon monoxide p

Why did the power of the emperors weaken during the A.D. 800s? A.Many emperors were very old. B.Buddhist monks were very powerful. C.The population was declinin

If you have any further questions, please do not hesitate to call me is a professional way to close a refusal message. a. True b. False

A crew of ten workers was hired to complete a job in 8 days. After working for two days, there was a new request to complete this job in two days. How many more

True or false? mendel's contribution to genetics was the discovery of dna.

The entry to record the payroll tax expense would include

The evaluation of a role or person by other relevant members of a group or society is called

A fish tank is in the shape of a cube. Its volume is 125 ft 3. what is the area of one face of the tank

Write a balanced chemical equation to show the reaction of naoh with the monoprotic acid hcl.