Question

If the angles of a quadrilateral are in the ratio of 2 : 4 : 5 : 7, then its angles measure:

A. 36,58,125,141


B. 40,80,100,140

C. 48,72,96,144

D. 48,52,174,86

Answer 1

the sum of angles of a quadrilateral = ?

Answer 2

sorry i don't know

Answer 3

ok, its 360

Answer 4

B, how?

Answer 5

so let the angles be
2x, 4x, 5x and 7x
sum = 360
form an equation

Answer 6

okk, thanx guys (:

Answer 7

@soty2013 and @bhaskarbabu don't give direct answers/solutions

Answer 8

quad·ri·lat·er·al [kwòddri láttərəl, kwòddri láttrəl]
noun (plural quad·ri·lat·er·als)
four-sided figure: a two-dimensional geometric figure with four sides


adjective
four-sided: with four sides

an·gle [áng g'l]
noun (plural an·gles)
1. space between diverging lines: the space between two diverging lines or planes, or a measure of the space
2. figure formed by diverging lines: a figure formed by two lines diverging from a common point or two planes diverging from a common line
3. mathematics Same as solid angle
4. part that sticks out: a projecting part of something
5. position for viewing something: a position from which somebody can look at something
a sculpture seen from three angles

6. way of considering something: a way of looking at a situation
Consider the matter from this angle.



verb (past and past participle an·gled, present participle an·gling, 3rd person present singular an·gles)
1. transitive and intransitive verb place something, or be placed, obliquely: to direct or place something obliquely, or move or be placed obliquely
2. transitive verb present something with bias: to present something with a particular audience in mind or in order to express a particular point of view
3. intransitive verb change direction sharply: to turn in a sharply different direction


[14th century. Directly or via French < Latin angulus "corner"]

an·gle [áng g'l]
(past and past participle an·gled, present participle an·gling, 3rd person present singular an·gles)
intransitive verb
1. fish with rod: to fish with a hook, line, and rod
2. attempt to get something: to attempt to obtain a compliment or an advantage (informal)


[ Old English angul "fishhook" < Indo-European, "to bend, hook"]

Answer 9

@vladislavchazov could u form an equation ?

Answer 10

@TuringTest i am really sorry , i am new to this OS

Answer 11

yep (: i did it 2x+4x+5x+7x=360

Answer 12

now u can find x from here

Answer 13

i found thanx champ

Answer 14

welcome ^_^

Answer 15

@hartnn don't act smart bro...