Question

(iv) 1369 cm 144 cm 2​

Answer 1

Answer:

in this figure there are two squares.

first square the total area is:- 1369

so, side×side= 1369= side²=1369=side=√1369= 37.

so, one side of the right angled triangle is 37cm.

second square the total area is:-144

now, same here side=√144=12cm.

so we get the two sides of the right angle triangle hypotenuse is equal to 37 cm and base is equal to 12 cm.

hence, hypotenuse ² = base² + lenght²

37² = 12²+ lenght²

1369-144= lenght²

√1225= lenght

35 cm = lenght.( height )

Step-by-step explanation:

area of the right angled triangle :- 1/2 ×base× height

• 1/2×12×35= 210cm² ans.

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Answer 2

Answer:

(i)64cm^2+36cm^2 =100cm^2

(ii)34cm^2+47cm^2=47cm^2

(iii)3.24cm^2+2.25cm^2=5.49cm^2

(iv)1369cm^2-144cm^2=1225cm^2

Step-by-step explanation:

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