Question

calculate the area of given fig

Answer 1

Answer:

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Step-by-step explanation:

the total area is

area of rectangle + area of triangle

in ∆COB, Applying Pythagorus

${cb}^{2} = {oc}^{2} + {bo}^{2}$

${17}^{2} = {co}^{2} + {8}^{2}$

$289 = {oc}^{2} + 64$

$oc = \sqrt{289 - 64}$

$oc = 15$

→therefore,

Area=

$l \times b + \frac{1}{2} \times base \times altittde$

L=6cm b=15cm, base=8cm, altitude =15cm

$6 \times 15 + \frac{1}{2} \times 8 \times 15$

$= 90 + 15 \times 4$

$90 + 60$

$= 150 {cm}^{2}$

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