28. In the rectangle A C E F, given A F=B C=2 b, E F=2 a, and D E=b, find the area of B D F in t

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Sriram Soundarrajan · Answer

Hello everyone today we are going to solve problem number 33 from the section perimeter and area

Narayan Hari · Answer

As we know that area of rectangle is equal to length into width. So I just put the value here. S

Joshua Kinney · Answer

So we&#x27;re given this problem with this formula of 25A to the 4th minus 16b squared, and we want t

Tiffany Tran · Answer

For the perimeter, we need to add all four sides. And because this is five, this is also five. I

Suman Saurav Thakur · Answer

Hello, we have problem number seven, which is based on the chapter area. And this question is ba

28. In the rectangle \( A C E F \), given \( A F=B C=2 b, E F=2 a \), and \( D E=b \), find the area of \( \triangle B D F \) in terms of \( a \) and \( b \). (a) \( b^{2}+a b \) (b) \( b^{2}-a b \) (c) \( 3 b^{2}+2 a b \) (d) \( 3 b^{2}-2 a b \)