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3 years ago

Help me pls I beg I beg I beg bbg

Mathematics

2 answers:

vivado [14]3 years ago

6 0

Answer:

72.25

Step-by-step explanation:

Triangles are 1/2(base x height), or (base x height) / 2.

17 x 8.5 = 144.5

144.5 / 2 = 72.25

dsp733 years ago

6 0

74.25 square inches.

The formula to find the area of a triangle is A = 1/2(b)(h). (b being base and h being height)

A=1/2(17)(8.5)
A=1/2(144.5)
A= 72.25 :)

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Darya [45]

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Westkost [7]

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3 years ago

The lengths of the four sides of a quadrilateral (in centimeters) are consecutive

My name is Ann [436]

The longest of the four side lengths is 24 cm

<h3>How to find the value of the longest of the four side lengths?</h3>

The given parameters are:

Perimeter, P = 90 cm

The lengths are consecutive integers

Let the smallest be

Smallest = x

So, we have

P = x + x + 1 + x + 2 + x + 3

Evaluate the like terms

P = 4x + 6

Substitute P = 90 cm in P = 4x + 6

4x + 6 = 90

Subtract 6 from both sides

4x = 84

Divide by 4

x = 21

The longest side is

Longest = x + 3

This gives

Longest = 21 + 3

Evaluate

Longest = 24

Hence, the longest of the four side lengths is 24 cm