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15/32 cm²

Step-by-step explanation:

Area of rectangle = l × b

=> 3/4 × 5/8

=> 15/32

Therefore,

Area of rectangle is 15/32 cm²

15/32 cm^2 = 0.458 cm^2

Step-by-step explanation:

The formula for finding the area of a rectangle is -

(1) A = L × W

The length given in this figure is the side that looks taller than the base.

thus- L = 3/4 cm , W = 5/8 cm

now multiply L by W as granted in the formula (1).

A = L × W = 3/4 cm × 5/8 cm = 15/32 cm^2

-Extra-

Divide the numerator (15) by the denominator (32) if the answer is required in decimals.

. 15 ÷ 32 = 0.458cm ^2.

  21.3

step-by-step explanation:

multiplying the given equation by c/sin(25°), we get

  c = 9/sin(25°) ≈ 21.2958 ≈ 21.3

we assume "c" is the length of ab, the side opposite angle c in triangle abc.