F(3k)=3k +7 Equals 9k+7. So 9k+7 would be the Answer.
Answer:
Step-by-step explanation:
3x + 4 + 8x + 4 = 140 degree (sum of two interior opposite angle is equal to the exterior angle formed)
11x + 8 = 140
x = 140 - 8
x = 132 /11
x = 12
angle S = 3x + 4
=3*12 + 4
=36 + 4
=40 degree
89 + 5x - 7 = 14x + 1
82 + 5x = 14x + 1
82 - 1 = 14x - 5x
81 = 9x
81/9 = x
9 = x
angle H = 5x - 7
=5*9 - 7
=45 - 7
=38 degree
Can you find the area
Perimeter is the distance around the shape
Are you able to do that
Answer: 12 cm
Explanation: To find the area of a rectangle, you multiply length by width.
A = wl —> A = 3(4) = 12 cm
