Question

Sean los angulos A= 2/5 x, y angulo B= 7/4 x complementarios. Encuentra la medida de ellos

Answer 1

A + B = 90

(2/5)X + (7/4)X = 90

(43/20)X = 90

X = 90×20/43 ≈ 41,8°

A = (2/5)(90)(20/43) ≈ 16,7

B = (7/4)(90)(20/43) ≈ 73,2°

Answer 2

Es asi...

COMPLEMENTARIO es 90°
A si que A + B = 90°

( 2/5x ) + ( 7/4x ) = 90°

( 43/20x ) = 90°

X= 90 × 20 ÷ 43 = 41.8°

A : ( 2/5 ) ( 90 ) ( 20/43 ) = 16 .7 °

B : ( 7/4 ) ( 90 ) ( 20/43 ) = 73 .2 °

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