Question

An umbrella is made by stitching 10 triangular pieces of cloth of two different colors, each piece measuring 20cm, 50cm and 50cm.how much cloth is required for an umbrella?

Answer 1

Answer:

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Answer 2

♥HEY DEAR♥

Answer:

1000 uderroot 6cm^2

STEP-BY-STEP EXPLANATION

To find:- Total amount of clothes required.

given:- umbrella is made up of 10 triangular pieces 50, 50, and 20 cm.

perimeter of each triangular pieces of clothes = 50+50 + 20

semiperimeter= 50 +50+20/2

=120/2

= 60cm

now, by using heron's formula:-

Area of triangle= underroot s (s-a)(s-b)(s-c)

= underroot 60 (60-50)(60-50)(60-20)

=underroot 60×10×10×10.

=200underroot6 cm^2

•°•Area of pieces of clothes of one colour = 5× 200underroot 6

1000underroot 6cm^2

HOPE ITS HELPFULL

#SHiv♥Avni.#