14. A kite in the shape of a square with diagonal 32 cm and an isosceles triangle of base 8
cm and side 6 cm each is to be made of three different shades as shown in a figure.
How much paper of each shade has been used in it? (Use V5 = 2.24)
11
6 cm
6 cm
8 cm
Answers
Answered by
1
Step-by-step explanation:
Given:
Diagonal =32cm , Base=8cm , side=6cm
⇒Area of square
=
2
1
×(d)
2
=
2
1
×(32)
2
=512cm
2
⇒Area of shaded portion I= Area of shaded portion II
⇒
2
512
=256cm
2
∴ Area of paper required =256 cm
2
⇒For triangle III region
⇒S=
2
6+6+8
=10cm
⇒A=
s(s−a)(s−b)(s−c)
⇒Area =
10(10−6)(10−6)(10−8)
=
10×4×4×2
cm
2
⇒A=4×2
5
cm
2
=17.92 cm
2
Area of paper required for III triangle shade=17.92 cm
2
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