Answer:
Step-by-step explanation:
Let's do this properly:
Area of trapezoid = average length times height.
Here,
Area = (1/2)(8 cm + 14 cm)(8 cm), or
= (11 cm)(8 cm) = 88 cm^2
It appears that Tina forgot to divide the sum of 14 cm and 8 cm by 2. Thus, her answer is twice as large as it should be.
Answer:
A 170+179=349 B 183+167=350 E 165+175=340
Step-by-step explanation:
Good evening ,
Answer:
B. 121
Step-by-step explanation:
1×3=3
3×3=9
9×3=27
27×3=81
the sum = 1+3+9+27+81 = 121.
:)