1. \(\displaystyle\theta=\frac{\pi}{{4}}+\pi{n}\)

2. \(\displaystyle\theta={45}^{\circ}+{180}^{\circ}{n}\)

2. \(\displaystyle\theta={45}^{\circ}+{180}^{\circ}{n}\)

Question

asked 2020-11-26

Are triangles necessarily congruent, is:

1. Each side of one triangle is equal to one of the other triangle's sides.

2. If the two triangles are right and each cathetus of one triangle is equal to a cathetus from the other triangle.

3. If the angles of one triangle are equal to the angles of the other triangle.

1. Each side of one triangle is equal to one of the other triangle's sides.

2. If the two triangles are right and each cathetus of one triangle is equal to a cathetus from the other triangle.

3. If the angles of one triangle are equal to the angles of the other triangle.

asked 2021-02-03

Given a triangle with a \(\displaystyle{112}^{\circ}\) angle. The adjusted sides to this angle are equal. Find their length, if \(\displaystyle{A}={80}{c}{m}^{{2}}\).

asked 2021-06-05

The Cartesian coordinates of a point are given.

a) \((2,-2)\)

b) \((-1,\sqrt{3})\)

Find the polar coordinates \((r,\theta)\) of the point, where r is greater than 0 and 0 is less than or equal to \(\theta\), which is less than \(2\pi\)

Find the polar coordinates \((r,\theta)\) of the point, where r is less than 0 and 0 is less than or equal to \(\theta\), which is less than \(2\pi\)

a) \((2,-2)\)

b) \((-1,\sqrt{3})\)

Find the polar coordinates \((r,\theta)\) of the point, where r is greater than 0 and 0 is less than or equal to \(\theta\), which is less than \(2\pi\)

Find the polar coordinates \((r,\theta)\) of the point, where r is less than 0 and 0 is less than or equal to \(\theta\), which is less than \(2\pi\)

asked 2021-04-04

A 5 kg uniform square plate is supported by two identical 1.5kg uniform slender rods AD and BE and is released from rest inthepostion theta 45 degrees. Knowing that the angular velocity ofAD as it passes through the vertical position is 5.2 rad/sdetermine the amount of energy dissipated infriction.