Length of parallel sides=8 cm, 9 cm
Distance between parallel sides=6 cm
Area =
2
1

(distance between parallel sides)× (sum of parallel sides)
=
2
1

×6×(8+9)
=3×17=51

hope it helps

5 0

2 years ago

Which sentence would be a good counter example to this statement ?

ArbitrLikvidat [17]

Answer:

The answer is "Option D".

Step-by-step explanation:

A line is a horizontal 1D-dimensional representation without any thickness and extends in every way. It sometimes is also known as the straight line. The line, which connects two planes lies simultaneously on both planes, that's why in this question only "option D" is correct.

8 0

2 years ago

8m^3 - 28m^2 + 6m - 21. You solve by factoring by grouping!!! quick please

Leya [2.2K]

Answer:

$(2m - 7)(4 {m}^{2} + 3)$

Step-by-step explanation:

$8m^3 - 28m^2 + 6m - 21 \\ = 4 {m}^{2} (2 {m} - 7) + 3(2m - 7) \\ = (2m - 7)(4 {m}^{2} + 3)$

4 0

2 years ago