ianbagherzadeh ianbagherzadeh

17-10-2018
Mathematics

contestada

For which value of x is the figure a rhombus?

A. x = 20.5
B. x = 2.6
C. x = 15.19
D. x = 7

For which value of x is the figure a rhombus A x 205 B x 26 C x 1519 D x 7 class=

Respuesta :

mathstudent55 mathstudent55

17-10-2018

Answer:

D. x = 7

Step-by-step explanation:

The labeled angles are the acute angles of a right triangle, so they are complementary. Their measures add up to 90 deg.

8x + 7 + 3x + 6 = 90

11x + 13 = 90

11x = 77

x = 7

Answer Link

lex1kkkk lex1kkkk

17-10-2018

They are right triangles so you with do (8x+7)+(3x+6)=90 because a triangle is 180* so you got this !

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