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Chapter 10: Q.8 (page 550)

Find the unknown base or height of the trapezoid.

A=12ft2,b1=2ft,b2=?炉,h=3ft

Short Answer

Expert verified

The unknown base is 6 ft.

Step by step solution

01

Step 1. Given information.

Area of Trapezoid is12ft2, the unknown base and height is 2 ft. and 3 ft.

02

Step 2. Formula used.

The formula of area of trapezoid is defined as,

Area=12脳Sum of parallel sides脳Height

03

Step 3. Calculation.

Substitute the given values in the formula to find the remaining base.

12=12脳2+b2脳34=12脳2+b22+b2=8b2=8鈭�2=6

04

Step 4. Conclusion.

Therefore, the required base is 6 ft.

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