hyappen hyappen

22-03-2019
Mathematics

contestada

Find the value of x when angle a is 90°, angle b is 40°, and angle c is x+57.

Respuesta :

priest7xox9va5 priest7xox9va5

22-03-2019

The sum of the all angles are 180.

Then, a + b + c = 180.

Given, a = 90, b = 40 and c = x + 57.

90 + 40 + c = 180.

130 + c = 180

c = 180 - 130

c = 50

Now plug in the value for c and then solve for x.

c = x + 57

50 =x + 57

50 - 57=x

-7 = x

x = -7

Answer Link

Otras preguntas

You need to rent a truck for one day to move equipment. FAST Movers will rent the truck for $39.95 per day with unlimited mileage. SPEEDY Movers will rent for $

the town's destroyed by mount Vesuvius sat along which body of water

Donna purchased a prepaid phone card for $25. Long distance calls cost 18 cents a minute using this card. Donna used her card only once to make a long distance

the probability of winning a particular game at the game place is 1/4. find the odds against winning the game

_________ cells must be in osmotic equilibrium with their surrounding environments, because if they swell or shrink their membranes will rupture. What is the C

What is the answer for 36 and 37 and explain !!

After a natural disaster such as a hurricane or tornado, what will happen in the damaged ecosystem?

What are the 5 distinct geographic regions of Africa?

(7, -3) and (9, -5) find the slope

A healthy human heart beats about 1,533,000 times in a year. A sparrow's heart beats about 241,776,000 times in a year. About how many times faster does the spa