Question

A parallelogram is made by putting 4 congruent triangular pieces out from a grey
paper together, as shown in Fig. 10. If the altitude of triangle ADF is 10 cm and side CD=16 cm find the area of triangle GCB
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Answer 1

Answer:

40 ..

Step-by-step explanation:

Area area of a triangle = 1/4

Area = 1/4 × 10 × 16

= 40

Hence , the are is 40 sq ° m

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Answer 2

The answer is 40.

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