Circle has rad of 1.5m what angle subtended at center of circle by arc of 1m

Adice is rolled 5 times. how many possible rolls are there? ( determine the number of outcomes using only the fundamental counting principal ) omg bruh can someone me.

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

The area of a circle is equal to 1 dm². find the radius of the circle.