Question

ASAP PLZ HELP will mark brainliest

Answer 1

Answer:

1. Sails come in many shapes and sizes. Is the Sail on the right a right?

$(10.24)^2=(9.75)^2+(3.45)^2\\104.8576=95.0625+11.9025\\104.8576=106.965\\104.8576\neq 106.965$

No, it is not.

2.

Using the Pythagorean theory

$20^{2}=a^{2} +b^{2} \\20=\sqrt{a^{2} +b^{2} }$

The possible values of the legs satisfy the equation above, where a and b are diffent from zero.

3.

The diagonal of a rectangular prism is: $d^2=x^2+y^2+z^2$

$d^2=3^2+4^2+8^2\\d^2=9+16+64\\d=\sqrt{89} \\d=9.43398\dots cm$

4.

The ladder lengh is 9 foot: triangle hypotenuse

Distance between the ladder base and bottom of tree is 4 feet: triangle leg

$9^2=4^2+h^2\\81=16+h^2\\65=h^2\\h=\sqrt{65}\\\\h=8.062ft$

5.

$d^2=4^2+8^2\\d^2=16+64\\d=\sqrt{80} \\d=8.94ft$