The formula for perimeter is 2L + 2W and the formula for the area is L * W, since we don't know the width we will divide 35:7 = 5 and he the measurement for the width.
Now just add L + W = 12 and multiply by 2 the answer is 24
Or 2 * 7 + 2 * 5 = 24
8.525 is rounded to 8.53 because the 5 rounds up so the 2 turns into a 3
Area= 1/2 base x height
Area= 1/2 8x5
Area= 40/2
Area= 20cm^2
Answer:
y=3
Step-by-step explanation: