Answer:218 degrees
Step-by-step explanation:c
Answer:
Perimeter of rectangle = 14x - 2
Area of rectangle = 10x² + x - 2
Step-by-step explanation:
<u>Finding the perimeter of the rectangle:</u>
⇒ Perimeter of rectangle = 2(L) + 2(B)
⇒ Perimeter of rectangle = 2(2x + 1) + 2(5x - 2)
⇒ Perimeter of rectangle = 4x + 2 + 10x - 4
⇒ Perimeter of rectangle = 14x - 2
<u>Finding the area of the rectangle:</u>
Area of rectangle = LB
⇒ Area of rectangle = (2x + 1)(5x - 2)
⇒ Area of rectangle = 10x² - 4x + 5x - 2
⇒ Area of rectangle = 10x² + x - 2
Answer:
a. 146
Step-by-step explanation:
{4*[72-6*(3+2)]}-22
=[4*(72-6*5)]-22
=[4*(72-30)]-22
=(4*42)-22
=168-22
=146
Step-by-step explanation:
surface area of a cone is givn by
A=πr'2 +πLr
A=414.48 sq.cm