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Chapter 2: Q. 169 (page 144)

Solve the formulaA=12bhforb.

Short Answer

Expert verified

The solution forbis asb=2Ah.

Step by step solution

01

Step 1. Given information 

The given formula isA=12bh.

02

Step 2. Simplify the formula. 

Multiply both sides of the given formula by 2and simplify as shown below:

A=12bh2脳A=12bh脳22A=bh

03

Step 3. Simplify 2A=bh for b

Divide both sides of formula 2A=bhby hand simplify as shown below:

2A=bh2Ah=bhhb=2Ah

04

Step 4. Final answer

The solution forbis asb=2Ah.

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