<h2>
Answer:</h2>
The three-dimensional figure is:
Rectangular Pyramid.
<h2>
Step-by-step explanation:</h2>
Net of a three dimensional figure--
A net of a three dimensional figure is the pattern which is made with the help of all the faces of a solid.
The net is used to identify the three dimensional solid it will form.
Here, the net is 1 rectangle and a number of triangles.
a)
<em>rectangular prism </em>
The net of this solid are made by using six rectangles.
Hence, option (a) is incorrect.
b)
<em>Rectangular Pyramid--</em>
It is a three dimensional figure which is formed by taking a rectangle as a base and 4 triangles as it's other faces.
Hence, the net of this solid is made using 1 rectangle and a number of triangles.
c)
<em>Triangular prism--</em>
It has three faces as parallelogram and 2 as triangles.
Hence, option: c is incorrect.
d)
<em>Triangular Pyramid--</em>
A triangular pyramid also known as a tetrahedron is a three dimensional figure which is composed of four triangles.
Hence, option: d is incorrect.
