Question

Q7. A triangle and a parallelogram are on the same base and have the same a
the sides of the triangle are 15 cm, 14 cm and 13 cm and the parallelogram sta
on the base 15 cm, find the height of the parallelogram.
Q8. Two parallel sides of a trapezium measure 60 cm and 77 cm and other si
are 25cm and 26 cm long. Find the area of the trapezium.
Q9. Find the area of an isosceles triangle XYZ in which XY=ZX = 4 cm and Y
10cm
SCIENCE
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Answer 1

Answer:

Hey, hope you get the answer-:

Step-by-step explanation:

Q7- According to the theorum, if a triangle and a parallelogram are on same base and  same parallels then-:

area of triangle = half area of parallelogram

Given, sides of triangle= 13, 14, 15 cm

Area of triangle ( by Heron's Formula )= 4√6 cm^2

Therefore, Area of parallelogram= 2√6 cm^2

Let height of parallelogram be x

⇒ x*15 = 2√6 cm^2

Now x= 0.33 cm(approx)