Right-angled 3147

In a right-angled triangle ABC, the height of side c has a length of 6 cm. The letter D indicates the heel of the height. Line segment AD is 8 cm long. Calculate the area of ​​triangle ABC. ( example on Monitor 9 )

Correct answer:

S =  37.5 cm2

Step-by-step explanation:

h=6 c1=8 h2 = c1   c2 c2=h2/c1=62/8=29=4.5 c=c1+c2=8+4.5=225=12.5 S=c h/2=12.5 6/2=37.5 cm2

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See also our trigonometric triangle calculator.

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