Question

ii) Find the area of a triangle whose sides are \( 20 \mathrm{~cm}, 48 \mathrm{~cm} \), and 52 cm . iii) Solve the inequality \( 3 x-4 \) \( \qquad \) \( >\underline{x+1} \) [3] [3]

          ii) Find the area of a triangle whose sides are \( 20 \mathrm{~cm}, 48 \mathrm{~cm} \), and 52 cm .
iii) Solve the inequality \( 3 x-4 \)
\( \qquad \) \( >\underline{x+1} \)
[3]
[3]

ii) Find the area of a triangle whose sides are 20 cm, 48 cm, and 52 cm .
iii) Solve the inequality 3 x-4
>x+1
[3]
[3]

Added by James B.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Donna Densmore

05/01/2022

Step 1

The semi-perimeter \( s \) is given by: \[ s = \frac{a + b + c}{2} \] where \( a = 20 \, \text{cm} \), \( b = 48 \, \text{cm} \), and \( c = 52 \, \text{cm} \). \[ s = \frac{20 + 48 + 52}{2} = 60 \, \text{cm} \] Show more…

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ii) Find the area of a triangle whose sides are \( 20 \mathrm{~cm}, 48 \mathrm{~cm} \), and 52 cm . iii) Solve the inequality \( 3 x-4 \) \( \qquad \) \( >\underline{x+1} \) [3] [3]