Question

plzzz solve this question as soon as possible it's important plzzZzzzzzz solve this question... if anybody gives answer correct I'll mark him or her brainliest...​

Answer 1

AnsWer :

i ) 600 cm.

ii ) 875 cm.

QuestioN :

Q 10 : a) A 5m 60cm hight of vertical pole casts of shadow 3m 20cm long. Find at the same time.

i ) the length of the shadow casts by another pole 10m 50cm high

ii ) the height of pole which casts a shadow 5m long.

SolutioN :

Let's Convert given metre to centimetres.

$\tt \bullet \: \: \: \: \: 5m \: 60cm \mapsto 5 \times 100 + 60 = 560cm.$

$\tt \bullet \: \: \: \: \: 3m \: 20cm \mapsto 3 \times 100 + 20 = 320cm.$

Taking ( i )

Let's Length of shadow caste be x cm.

$\tt \dagger \: \: \: \: \: \dfrac{Height \: of \: pole }{length\: shadow\: cast} = \dfrac{Other \: Height \: of \: pole }{Other \:length\: shadow\: cast}$

$\tt : \implies \dfrac{560}{360} = \dfrac{1050}{x}$

$\tt : \implies x= \dfrac{1050 \times 360}{560}$

$\tt : \implies x = 600cm.$

$\rule{130}2$

( ii ) Let's the height of pole is y cm.

$\tt : \implies \dfrac{560}{360} = \dfrac{y}{500}$

$\tt : \implies y = \dfrac{560 \times 500}{360}$

$\tt : \implies y = 875cm.$

Therefore, the value of x is 600 cm and y = 875 cm.