singletonrichar singletonrichar

06-04-2015
Mathematics

contestada

The legs of an isosceles right triangle are 20 cm long. Find the length of the hypotenuse. Round to the nearest tenth if necessary

Respuesta :

07-04-2015

Use the Pythagorean theorem:
[tex](leg)^2+(leg)^2=(hypotenuse)^2 \\ 20^2+20^2=x^2 \\ 400+400=x^2 \\ x^2=800 \\ x=\sqrt{800} \\ x=28.28... \\ x \approx 28.3[/tex]

The length of the hypotenus is approximately 28.3 cm.

Answer Link

Otras preguntas

The breeze during a sunny day at the beach is usually a result of _________________________________________.

Five liters of gas at STP have a mass of 12.5 g. What is the molecular mass of the gas? a. 12.5 g/mol b. 25.0 g/mol c. 47.5 g/mol d. 56.0 g/mol e. 125 g/mol

Finish each sentence below with two possible endings on the right.1.The light in her bedroom is on so...2.Tom and Liz never wear uniforms so...3.She isn't at sc

Find the equation of the circle that satisfies the given conditions. Radius 2 and center (4, -7)?

If {a_{n}} and {b_{n}} are geometric sequences with common ratios of r₁ and r₂, is {a_{n}b_{n}} a geometric sequence too? If yes, what is the common ratio?

Use the definition of logarithm to simplify each expression.log 10 ^10log 10 ^100log 10 ^ 10-4

solve the equation for the indicated variable ab+9=3b-5c for b

Transform the equation x-3y=-15 to express it in slope-intercept form

How was Saladin remembered by the crusaders?

John's father is five times older than John and John is twice as old as his sister Alice. In two years time the sum of their ages will be 58. How old is John no