Answer:
B.405 cm2
Step-by-step explanation:
12 times 15 is 315. The area of the rectangle is 315.
The area of the triangle is 90.
Add them and i got 405.
Answer
Area of the figure which is combination of rectangle and a triangle
= Area of Rectangle + Area of Triangle
= Length × Breadth + [tex]=\frac{1}{2}\times Base \times Height[/tex]
= 21 × 15 + [tex]=\frac{1}{2} \times 15 \times 12[/tex]
= 315 + 90
= 405 cm²
Option (B)
