Find the area of quadrilateral which all side is 4 cm and diagonal one is 7 and diagonal two is 6

Mathematics

2 answers:

prohojiy [21]3 years ago

6 0

Answer:

the quadrilateral is a rhombus as its all four sides are equal (of 4cm) each

Area of rhombus = 1/2 (digonal 1 × digonal 2)

= 1/2 ( 7×6 )

= 1/2 ( 42)

= 21

hence area of quadrilateral is 21 cm square

enyata [817]3 years ago

5 0

Step-by-step explanation:

Your answer...... 21 cm^2

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tester [92]

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2 years ago

Read 2 more answers

Jim needs to rent a car. A rental company charges $21.00 per day to rent a car and $0.10 for every mile driven.

Ulleksa [173]

Answer:

$21d+25\leq 115$

Max is 4 days.

Step-by-step explanation:

An inequality is a math statement with more the one solution. The solution has a range of values for which the inequality can be satisfied. It has the same following components as an equation: variables and operations. However, the equal sign is replaced by an inequality sign: $,\leq,\geq$ .

We start by choosing a variable for an unknown value. Here is it the number of days he rents the car. We choose d.

We know he rents it for $21 pr day or 21d for any number of days. We also know her will drive 250 miles at $0.10 per mile or 0.10(250). We will combine the two into an expression.

21d + 0.10(250)

We know his limit is $115. This means he can rent the car for any number of days until he reaches $115. The charge must be less than or equal to 115.

So we write $21d+0.10(250)\leq 115$ .