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kodGreya [7K]
3 years ago
8

What is the area of the figure below? 7.5m^2 15m^2 21.25m^2 42.5m^2

Mathematics
2 answers:
Novay_Z [31]3 years ago
7 0
The answer is c!!! hope this helps!!!
Olenka [21]3 years ago
6 0

Answer:

Third option is correct. The area of figure is 21.25m^2.

Step-by-step explanation:

The area of a kite is

A=\frac{1}{2}(d_1\times d_2)

Both diagonals are perpendicular. Longer diagonal bisects the smaller diagonal.

In triangle ABO,

\tan45^{\circ}=\frac{BO}{AO}

1=\frac{BO}{2.5}

2.5=BO

The length of BD is

BD=2\times BO=2\times 2.5=5

The length of AC is

6+2.5=8.5

The area of kite ABCD is

A=\frac{1}{2}(AC\times BD)

A=\frac{1}{2}(8.5\times 5)

A=21.25

Therefore third option is correct. The area of figure is 21.25m^2.

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