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vova2212 [387]
4 years ago
6

A triangle has a base 3cm greater than 5 times its height. what is the area if the triangle when it's height is 6cm

Mathematics
2 answers:
Xelga [282]4 years ago
7 0

Let

b--------> the length of the base of a triangle

h--------> the length of the height of a triangle

we know that

The area of a triangle is equal to

A=\frac{1}{2}* b*h

b=3+5h ------> equation 1

if the height is h=6\ cm

then

<u>Find the value of b</u>

substitute in the equation 1

b=3+5*6=33\ cm

<u>Find the area of the triangle</u>

A=\frac{1}{2}* 33*6

A=99\ cm^{2}

therefore

<u>the answer is</u>

the area of the triangle is equal to 99\ cm^{2}

Digiron [165]4 years ago
3 0
99cm.

5x6=30+3=33
33x6=198
198/2=99
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