A park in the shape of a quadrilateral abcd has

  1. 1. A park, in the shape of a quadrilateral ABCD, has ∠C=90∘,AB=9 m,BC=1, ..
  2. A park, in the shape of a quadrilateral ABCD, has ∠C=90o, AB=9 m, BC=12 m..
  3. A park, in the shape of a quadrilateral ABCD, has ∠C =90∘, AB =9 m , BC =12 m , CD =5 m and AD =8 m. How much area does it occupy?


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1. A park, in the shape of a quadrilateral ABCD, has ∠C=90∘,AB=9 m,BC=1, ..

1. A park, in the shape of a quadrilateral ABCD, has ∠ C = 9 0 ∘ , AB = 9 m , BC = 1, C D = 5 m and A D = 8 m. How much area does it occupy? 2. Find the area of a quadrilateral ABCD in which AB = 3 cm , BC = 4 cm , CD = 4, DA = 5 cm and AC = 5 cm. 3. Radha made a picture of an aeroplane with coloured paper as shown in Fig 12.15: F the total area of the paper used. Views: 5,164 2 8 ∘ less than its complement, find its measure. 4. If an angle is 3 0 ∘ more than one half of its complement, find the measure of the ang 5. Two supplementary angles are in the ratio 4 : 5. Find the angles. 6. Two supplementary angles differ by 4 8 ∘. Find the angles. 7. An angle is equal to 8 times its complement. Determine its measure. 8. If the angles ( 2 x − 10 ) ∘ and ( x − 5 ) ∘ are complementary angles, find x. 9. If an angle differs from its complement by 1 0 ∘, find the angle. 10. If the supplement of an angle is two-third of itself. Determine the angle and its supp 11. An angle is 1 4 ∘ more than its complementary angle. What is its measure? 12. The measure of an angle is twice the measure of its supplementary angle. Find its m BASED ON LOTS 13. If the complement of an angle is equal to the supplement of the thrice of it. Find the m the angle. 14. If the supplement of an angle is three times its complement, find the angle. Views: 5,433 25 m and 10 m. The noor parallel sides are 14 m and 13 m. Find the area of the field. 2. A park, in the shape of a quadrilateral A BC D, has ∠ C = 9 0 ∘ , ...

A park, in the shape of a quadrilateral ABCD, has ∠C=90o, AB=9 m, BC=12 m..

A park, in the shape of a quadrilateral A BC D, has ∠ C = 90 o, A B = 9 m, BC = 12 m, C D = 5 m and A D = 8 m. How much area does it occupy? Updated On Nov 26, 2022 Topic Heron's Formula Subject Mathematics Class Class 9 Answer Type Text solution:1 Video solution: 3 Upvotes 307 Avg. Video Duration 12 min

A park, in the shape of a quadrilateral ABCD, has ∠C =90∘, AB =9 m , BC =12 m , CD =5 m and AD =8 m. How much area does it occupy?

We assume ABCD be the quadrilateral having sides AB, BC, CD, DA and . We take a diagonal DB, where DB divides ABCD into two triangles ΔBCD and ΔABD In ΔBCD, we have DC = 5 m; BC = 12 m Use Pythagoras theorem BD 2 = DC 2 + BC 2 Area of right angled triangle ΔBCD, say A 1 is given by Where, Base = DC = 5 m; Height = BC = 12 m Area of triangle ΔABD, say A 2 having sides a, b, c and s as semi-perimeter is given by Where, a = AD = 8 m; b = AB = 9 m; c = BD = 13 m Area of quadrilateral ABCD, say A A = Area of triangle DCB + Area of triangle ABD

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