jaimecovarubs jaimecovarubs

24-03-2021
Mathematics

contestada

A quadrilateral has angle measures of 50°, 72°, and 78°. What is the measure of the fourth angle?
160°
60°
50°
100°

Respuesta :

key01134 key01134

24-03-2021

Answer:

160°

Step-by-step explanation:

Quadrilateral's angles add up to 360 degrees.

So:

x = fourth angle measure (unknown currently)

50° + 72° + 78° + x = 360°

200° + x = 360°

x = 160°

Answer Link

Otras preguntas

damon has 5 dimes and some nickles in his pocket what is the error 5n+50=1.20

a landscaper is creating a rectangular flower bed such that the width is half of the length. The area of the flower bed is 34 square feet. Write and solve an eq

What event started the Gulf War in 1991? A. the invasion of Kuwait by Iraq B. the invasion of Pakistan by India C. the invasion of Egypt by Great Britain D. the

PEASE HELP ME!!! 5 ∑x+1 x=1

A cliché is a _______ expression. A. new B. foreign C. worn-out D. wordy

Which of the following principles is NOT a part of the Republican party’s emphasis on creating a free market economy? a. promoting a system with little governm

Who is ‘Lucy’? a. The archaeologist who discovered the earliest known primate b. The earliest known human ancestor c. The tallest known human ancestor d. The f

Who was the scientist that discovered Pluto wasnt a planet

How does mass affect gravity?

Which of the following is a characteristic of resilience?