Question

Q30. A triangular park ABC has sides 40 m, 24 m and 32 m, find the area of the park

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Answer 1

Answer:

꧁༒ ༒꧂

Step-by-step explanation:

A family in your neighbourhood has been quarantined due to COVID-19 health crisis. Write a

diary entry in about 150-200 words describing how your family and other families in the

neighbourhood feel about the issue. Also say, what the neighbourhood is doing to help the affected

family and to keep their moral high.

Answer 2

Given that,

sides of the triangle are 40m, 24m, 32m

Let a = 40m, b = 24m & c = 32m

we know,

Side of triangle = a+b+c/2

• 40m+24m+32m/2
• 96m/2
• 48m

According to heron's formula,

$area = \sqrt{s(s - a)( s- b)(s -c )} \\ area = \sqrt{48(48 - 40)(48 - 24)(48 - 32)} \\ area = \sqrt{48(8)(24)(16)} \\ area = \sqrt{147456} \\ area = 384 {m}^{2}$

Therefore, the area of triangle is 384m^2

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