The longest side of an obtuse triangle measures 20 cm. The two shorter sides measure x cm and 3x cm. Rounded to the nearest tent

Question

IgorC [24]

3 years ago

9

The longest side of an obtuse triangle measures 20 cm. The two shorter sides measure x cm and 3x cm. Rounded to the nearest tent

h, what is the greatest possible value of x? 6.3 6.4 7.0 7.1

Mathematics

2 answers:

Flura [38] · Answer 1 · 2022-06-26T02:21:19+03:00

Flura [38]3 years ago

8 0

Answer:

7.1

Step-by-step explanation:

because pythagorean theorem

c² > a² + b²

20² > x² + 3x²

400 > 4x²

÷4 ÷4

100 > x²

10 > x 400 > 4(7.1)²

400 > 4(50.41)

400 > 201.64

tankabanditka [31] · Answer 2 · 2022-06-25T23:54:22+03:00

tankabanditka [31]3 years ago

6 0

Obtuse triangle Pythagorean Theorem

c² > a² + b²

20² > x² + 3x²
400 > 4x²
<u>÷4 ÷4</u>
<u> 100 > x²</u>
10 > x

400 > 4(7.1)²
400 > 4(50.41)
400 > 201.64

The greatest possible value of x is 7.10