contestada

3.0
B
1.8
Find the area of AABC.
If entering your answer as a decimal, round your final answer to the nearest hundredth.
Square units

30 B 18 Find the area of AABC If entering your answer as a decimal round your final answer to the nearest hundredth Square units class=

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Answer:

Solution given:

AD=1.8

AC=3.0

we have

∆ADC is a right angled triangle

Cos A=b/h

<A=cos-¹ (1.8/3)

<A=53.13°

again

∆ABC is a right angled triangle

Tan A=p/b=BC/AC

Tan 53.13×3=BC

BC=4

NOW

Area of triangle =½(AC*BC)=½(4×3)=6 square units is a required area.

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