A 3-foot indoor children's slide must meet the ground very gradually and make an angle of 155°, as shown in the diagram at right. What are the height of the slide (y) and the length of the floor it will cover
(2)?

A 3-foot indoor children's slide must meet the ground very gradually and make an angle of 155°, as

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Ответ:

jeronimo18

20.04.2021

Mathematics

WE start with finding s= a+b+ c)/2 = ( 7.9 + 6.3+ 8.5) /2

= 11.35

Area of triangle = sqrt (11.35 * ( 11.35 - 7.9)( 11.35 - 6.3) ( 11.35 -8.5 ) )

sqrt ( 11.35 * 3.45 * 5.05 * 2.85)

sqrt (563.57)

23.739

Answer is 23.74 ( when round off )

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A 3-foot indoor children's slide must meet the ground very gradually and make an angle of 155°, as shown in the diagram at right. What are the height of the slide (y) and the length of the floor it will cover (2)?