srolon3214 srolon3214

19-07-2022
Mathematics

contestada

The interior angles of a polygon are; (3x + 30), x, 2x, (x + 20) and 3x. find the value of x

Respuesta :

Medunno13 Medunno13

22-07-2022

Answer: 49

Step-by-step explanation:

This polygon has 5 sides, meaning its interior angles add to [tex]180(5-2)=540^{\circ}[/tex].

[tex]3x+30+x+2x+x+20+3x=540\\\\10x+50=540\\\\10x=490\\\\x=49[/tex]

Answer Link

Otras preguntas

An equilateral polygon is one in which A. all angles are proportional. B. all sides are equal. C. all angles are equal. D. all sides are proportional.

What are two ways to write 7/3?

2. A plumber uses 16 inches of tubing to Connect each washing machine in a laundry to the water source. He wants to install 18 washing machines. How many yards

Inertia ____. a. depends on direction c. resists a change in motion of an object b. depends on momentum d. both a and b

What is the meaning of denounced?

marys pet turtle weighs 4.094 pounds how is this written in word form

To show the electron configuration for an atom, when would it be better to use an orbital notation than to use a written configuration with numbers, letters, an

The area of a square game board is 144 sq. in. What is the length of one of the sides of the board? a. 12 in. b. 36 in. c. 72 in. d. 8 in.

Symmetry For 1 through 4, tell if the figure has line symmetry, rotational symmetry, or both. If it has line symmetry, how many lines of symmetry are there? If

Which sentence uses the past form of the verb worry? a. She worry that the dress would not fit. b. She worrying that the dress would not fit. c. She worryed