Answer is a
*The correct answer is IJ = JK
•explanation:
Given:
AB is the perpendicular bisector of
IK. ⇒ AB divides the line segment IK in two equal parts i.e. IJ = JK and the angle formed at the point of intersection J is 90° ⇒ ∠AJI = 90°. In ΔAIJ, By angle sum property of a triangle ∠AJI + ∠AIJ + ∠IAJ = 180° ( But ∠AJI = 90° ) ∠AIJ + ∠IAJ = 90° ⇒ ∠IAJ < 90° So, ∠IAJ is not a right angle. Its not given IK is a perpendicular bisector so AJ = BJ need NOT be true. As A does not lie on the line IK so A can not be the mid point of IK.
•Hence, we conclude the correct statement is IJ = JK
Idk it might be A, but id check
71 percent of earths surface is coverd by water
Explanation:
Velocity is a vector quantity. Velocity = speed +direction.
In this problem, we can say that any time during their trip their velocity was -20 m/s. It is due to the above reason that the velocity is a vector.
When the displacement of the object is negative, the average velocity will be negative.
For example, when an object moves in the negative direction, it will have negative velocity.