Question

a. 6cm
62. The sides of a triangle are 3 cm, 5 cm and 6 cm. What is its area?
a. 2V3cm
b. 4V14cm
c. 5V12cm
d. 2V5cm?​

Answer 1

Answer:

the formula for the area of a triangle is √s(s-a)(s-b)(s-c)

here s =(3+5+6)÷2=7

√7(4)(2)(1)=2√14

there is no right option...

Answer 2

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$<b><marquee>QUESTION ⤵⤵⤵⤵</marquee></b>$

The sides of a triangle are 3 cm, 5 cm and 6 cm. What is its area?

(a.) 2√3cm

(b.) 4√14cm

(c.) 5√12cm

(d.) 2√5cm?

$<b><marquee>ANSWER ⤵⤵⤵⤵</marquee></b>$

Sides = 3 , 5, 6 cm

We know,

Area = √s ( s - a ) (s - b ) ( s- c )

s = 3 + 5 + 6 / 2

s = 14 / 2

s = 7 cm

Area = √7 ( 7 - 3) ( 7- 5) (7 - 6)

Area = √7 (4) (2)(1)

Area = 2√14 cm²

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