Question

please answer fast/ i will give 100 points

Answer 1

Answer:

angle AB, AD, AC

ABC, ACB

all angle 12,11.=23

C=2cm and A=2cm

D=8cm and C=8cm

hope help you

Answer 2

To compute the area of the given quadrilateral, we apply the formula for the area of quadrilateral using the data given in the question. First, we find the diagonal lengths of the quadrilateral.

We know the formula for Area of quadrilateral ABCD =1/2d(h1+h2)

From the figure, Sum of the length of perpendicular from the remaining two vertices on the diagonal AC = (h1+h2).

⟹h1+h2 = 12cm.

Length of the diagonal BD = 11cm.

∴Area of the quadrilateral ABCD = 1/2d(h1+h2)= 1/2×12×11= 6×11= 66cm2.

In order to solve questions of this type the key is to have adequate knowledge in formulae for areas of quadrilaterals. Then according to the figure, we observe the lengths and diagonals of the quadrilateral to compute its area. The area of a quadrilateral is expressed in square units.

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