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Plz Help!!

Evaluate. Multiply.
1. 1/2 (12)(6.7 + 8.3) 2. 1/2 (2.1)(1.1 + 5.7) =


Find the area of the figure.

3. A triangle with base 6 in. and height 5 in.

The area equals _____ in.2.

Plz Help Evaluate Multiply 1 12 1267 83 2 12 2111 57 Find the area of the figure 3 A triangle with base 6 in and height 5 in The area equals in2 class=

Respuesta :

Answer:

1) answer: 90

STEPS:  1/2 * 12 * (6.7 + 8.3)

6*(6.7+8.3)

6*15

90

2) answer: 7.14

STEPS:  1/2 * 2.1 * (1.1 + 5.7)

1/2 * 2.1 * 6.8

2.1 * 3.4

7.14  

3) answer: 15

STEPS:  area of triangle = 1/2 * base * height

1/2 * 6 * 5

3*5

15

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