blueberryjam blueberryjam

26-07-2017
Mathematics

contestada

The measure of arc XYZ is 296 degrees. What is the measure of angle XZW, the tangent-chord angle?

A: 296
B:148
C:116
D:206

The measure of arc XYZ is 296 degrees What is the measure of angle XZW the tangentchord angle A 296 B148 C116 D206 class=

Respuesta :

BrainIess BrainIess

27-07-2017

Let O be the center of the circle.

Reflex angle XOZ = 296°
Obtuse angle XOZ = 360° - 296° = 64°
Triangle XOZ is an isosceles triangle.

∴ Angle OZX = (180° - 64°) / 2 = 58°
(Base angle of an isosceles triangle)

Angle OZW = 90°
(Tangent to circumference of circle)

Angle XZW = 90° + 58° = 148°

Answer is B.

Answer Link

domoignacio domoignacio

15-11-2018

The measure of angle XYW is : B. 148°

Answer Link

Otras preguntas

A club has 29 members. In how many ways can they select a person to be President and a different person to be Treasurer? OA. 406 ways

In the quest for determining if the hereditary component of cells was protein or DNA, which of the following statements is TRUE? 1) DNA is made from amino acids

Organs that are made of epithelial tissue and that secrete different substances such as sweat, saliva, hormones, breast milk, and tears, are called Multiple cho

What is the definition of 'Keynesianism'? 1) An economic philosophy that promotes social welfare policies and government intervention in the economy in order to

In which of the following cases would a judge likely allow the use of deposition testimony during a trial? a The witness would not come to the courthouse to tes

You are trying to establish a cost performance baseline for your project in the determine budget process. Which of the following tools and techniques can you us

10 1° Without using the calculator write "yes" or "no" to answer the following questions and justify: Does there exist an acute angle x such that : a) cos x = 0

Fetal development includes the third through ninth months of development. a. True b. False

Question 24 of 25 Which of the following describes the mantle? A. A dense layer of solid metal OB. A layer of liquid metal that spins C. Hot, partially melted r

A gas has 1000 joules of heat energy added to it as it does 700 joules of work on its environment. what is the change in the internal energy of the gas?