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26-03-2020
Mathematics

contestada

Find the base length, b, of a triangle with area 90 cm2? and perpendicular height 15 cm, given
the area formula A=1/2bh.

Respuesta :

drainurbrain drainurbrain

27-03-2020

Answer:

12cm

Explanation:

A = 1/2 (b)(h)

Substitute the numbers

90= 1/2 (b)(15)

90= 7.5b

B= 12

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