Answer:
You square 44 and 31 but you have two square cot². This is your error.
That's why you are getting wrong answer or you are not getting 7 in your calculator
Use Cymath to get your answer
Answer:
15cm2
Step-by-step explanation:
Area of rectangle = l×b
l=5cm, b=3cm
Area= 5×3 =15cm2