Question

Question Help Which of the following expressions can be used to find the area of the polygon? 4cm 3 cm 3 cm 4 cm 3 cm Choose the correct answer below. 1 O A. (4x3) + z(9x4) 1 OB. 2 (3 x 4)+(9x4) Click to select your answer and then click Check Answer. All parts showing Clear All Check Ans Review progress Question 9 of 10 Back Next

Answer 1

The polygon is formed by a triangle and a rectangle:

Area of a rectangle = lenght x width

A1 = (4 x 3)

Area of a triangle = 1/2 x base length x heigth

A2 = 1/2 (9x4)

Add both areas

Area of the polygon = A1+ A2 = (4 x 3 ) + 1/2 (9 x 4)

answer : option A