Question

calculate the area of each :​

Answer 1

Answer:

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Step-by-step explanation:

(a) area of triangle =1/2×base×height

∆ABC = 1/2×6×3

= 1/2×18

= 9 cm.

(b). ∆DEF = 1/2×base×height

= 1/2×2.2×3.2

= 1/2×7.04

= 3.52 cm.

(c). ∆PQR = 1/2×base×height

= 1/2×5×4

= 1/2× 20

= 10 cm.

(d). ∆XYZ = 1/2×base×height

= 1/2× 4×3

= 1/2×12

= 6 cm.

Answer 2

b ) area of right angle triangle

= 1/2 * 2.2 * 3.2

= 1.1 * 3.2

= 3.52 cm 2

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